117621576770 has 16 divisors (see below), whose sum is σ = 215189639928. Its totient is φ = 46277341440.

The previous prime is 117621576769. The next prime is 117621576781. The reversal of 117621576770 is 77675126711.

It can be written as a sum of positive squares in 4 ways, for example, as 55479562681 + 62142014089 = 235541^2 + 249283^2 .

It is a super-2 number, since 2×117621576770² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96410519 + ... + 96411738.

Almost surely, 2^117621576770 is an apocalyptic number.

117621576770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117621576770 is a deficient number, since it is larger than the sum of its proper divisors (97568063158).

117621576770 is a wasteful number, since it uses less digits than its factorization.

117621576770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192822325.

The product of its (nonzero) digits is 864360, while the sum is 50.

The spelling of 117621576770 in words is "one hundred seventeen billion, six hundred twenty-one million, five hundred seventy-six thousand, seven hundred seventy".