117765536 has 24 divisors (see below), whose sum is σ = 264972960. Its totient is φ = 50470848.

The previous prime is 117765521. The next prime is 117765541. The reversal of 117765536 is 635567711.

It is a junction number, because it is equal to n+sod(n) for n = 117765493 and 117765502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262646 + ... + 263093.

It is an arithmetic number, because the mean of its divisors is an integer number (11040540).

Almost surely, 2^117765536 is an apocalyptic number.

117765536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

117765536 is an abundant number, since it is smaller than the sum of its proper divisors (147207424).

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

117765536 is an equidigital number, since it uses as much as digits as its factorization.

117765536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525756 (or 525748 counting only the distinct ones).

The product of its digits is 132300, while the sum is 41.

The square root of 117765536 is about 10851.9830445868. The cubic root of 117765536 is about 490.1617347540.

The spelling of 117765536 in words is "one hundred seventeen million, seven hundred sixty-five thousand, five hundred thirty-six".