117770625 has 80 divisors (see below), whose sum is σ = 249420160. Its totient is φ = 53784000.

The previous prime is 117770623. The next prime is 117770651. The reversal of 117770625 is 526077711.

It is not a de Polignac number, because 117770625 - 2¹ = 117770623 is a prime.

It is a super-2 number, since 2×117770625² = 27739840225781250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117770625.

It is not an unprimeable number, because it can be changed into a prime (117770623) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 117627 + ... + 118623.

It is an arithmetic number, because the mean of its divisors is an integer number (3117752).

Almost surely, 2^117770625 is an apocalyptic number.

117770625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117770625 is an abundant number, since it is smaller than the sum of its proper divisors (131649535).

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

117770625 is an frugal number, since it uses more digits than its factorization.

117770625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 36.

The square root of 117770625 is about 10852.2175153284. The cubic root of 117770625 is about 490.1687951024.

The spelling of 117770625 in words is "one hundred seventeen million, seven hundred seventy thousand, six hundred twenty-five".