117528928837776 has 75 divisors (see below), whose sum is σ = 340163947539273. Its totient is φ = 39176179519680.

The previous prime is 117528928837763. The next prime is 117528928837799. The reversal of 117528928837776 is 677738829825711.

The square root of 117528928837776 is 10841076.

It is a perfect power (a square), and thus also a powerful number.

117528928837776 is a `hidden beast` number, since 1 + 1 + 7 + 528 + 9 + 2 + 8 + 83 + 7 + 7 + 7 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 112853992972176 + 4674935865600 = 10623276^2 + 2162160^2 .

It is a super-2 number, since 2×117528928837776² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 117528928837695 and 117528928837704.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 390128166 + ... + 390429306.

Almost surely, 2^{117528928837776} is an apocalyptic number.

117528928837776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

117528928837776 is the 10841076-th square number.

It is an amenable number.

117528928837776 is an abundant number, since it is smaller than the sum of its proper divisors (222635018701497).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117528928837776 is an frugal number, since it uses more digits than its factorization.

117528928837776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602302 (or 301146 counting only the distinct ones).

The product of its digits is 3982970880, while the sum is 81.

117528928837776 divided by its sum of digits (81) gives a square (1450974430096 = 1204564²).

The spelling of 117528928837776 in words is "one hundred seventeen trillion, five hundred twenty-eight billion, nine hundred twenty-eight million, eight hundred thirty-seven thousand, seven hundred seventy-six".