117272438628 has 48 divisors (see below), whose sum is σ = 289402794240. Its totient is φ = 36857872800.

The previous prime is 117272438627. The next prime is 117272438639. The reversal of 117272438628 is 826834272711.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (117272438627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1170738 + ... + 1266953.

It is an arithmetic number, because the mean of its divisors is an integer number (6029224880).

Almost surely, 2^117272438628 is an apocalyptic number.

It is an amenable number.

117272438628 is an abundant number, since it is smaller than the sum of its proper divisors (172130355612).

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

117272438628 is a wasteful number, since it uses less digits than its factorization.

117272438628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437928 (or 2437926 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The spelling of 117272438628 in words is "one hundred seventeen billion, two hundred seventy-two million, four hundred thirty-eight thousand, six hundred twenty-eight".