117657852 has 24 divisors (see below), whose sum is σ = 295653456. Its totient is φ = 36202368.

The previous prime is 117657851. The next prime is 117657853. The reversal of 117657852 is 258756711.

It is an interprime number because it is at equal distance from previous prime (117657851) and next prime (117657853).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117657851) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 376953 + ... + 377264.

It is an arithmetic number, because the mean of its divisors is an integer number (12318894).

Almost surely, 2^117657852 is an apocalyptic number.

117657852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117657852 is an abundant number, since it is smaller than the sum of its proper divisors (177995604).

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

117657852 is a wasteful number, since it uses less digits than its factorization.

117657852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754237 (or 754235 counting only the distinct ones).

The product of its digits is 117600, while the sum is 42.

The square root of 117657852 is about 10847.0204203735. The cubic root of 117657852 is about 490.0122890157.

The spelling of 117657852 in words is "one hundred seventeen million, six hundred fifty-seven thousand, eight hundred fifty-two".