117565392 has 80 divisors (see below), whose sum is σ = 358326272. Its totient is φ = 32503680.

The previous prime is 117565373. The next prime is 117565417. The reversal of 117565392 is 293565711.

It is a super-2 number, since 2×117565392² = 27643242792227328, 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 117565392.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4773 + ... + 16059.

Almost surely, 2^117565392 is an apocalyptic number.

117565392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117565392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179163136).

117565392 is an abundant number, since it is smaller than the sum of its proper divisors (240760880).

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

117565392 is a wasteful number, since it uses less digits than its factorization.

117565392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11336 (or 11330 counting only the distinct ones).

The product of its digits is 56700, while the sum is 39.

The square root of 117565392 is about 10842.7575828292. The cubic root of 117565392 is about 489.8838986348.

The spelling of 117565392 in words is "one hundred seventeen million, five hundred sixty-five thousand, three hundred ninety-two".