117857376 has 192 divisors, whose sum is σ = 423360000. Its totient is φ = 31062528.

The previous prime is 117857371. The next prime is 117857387. The reversal of 117857376 is 673758711.

117857376 is a `hidden beast` number, since 1 + 1 + 7 + 8 + 573 + 76 = 666.

It is a super-2 number, since 2×117857376² = 27780722155210752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117857371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77875 + ... + 79373.

It is an arithmetic number, because the mean of its divisors is an integer number (2205000).

Almost surely, 2^117857376 is an apocalyptic number.

117857376 is a gapful number since it is divisible by the number (16) 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 117857376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211680000).

117857376 is an abundant number, since it is smaller than the sum of its proper divisors (305502624).

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

117857376 is a wasteful number, since it uses less digits than its factorization.

117857376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538 (or 1524 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 117857376 is about 10856.2137046025. The cubic root of 117857376 is about 490.2891199473.

The spelling of 117857376 in words is "one hundred seventeen million, eight hundred fifty-seven thousand, three hundred seventy-six".