157976320 has 36 divisors (see below), whose sum is σ = 378405720. Its totient is φ = 63190016.

The previous prime is 157976309. The next prime is 157976327. The reversal of 157976320 is 23679751.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157976327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60430 + ... + 62989.

It is an arithmetic number, because the mean of its divisors is an integer number (10511270).

Almost surely, 2^157976320 is an apocalyptic number.

157976320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157976320 is an abundant number, since it is smaller than the sum of its proper divisors (220429400).

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

157976320 is an equidigital number, since it uses as much as digits as its factorization.

157976320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123440 (or 123426 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 157976320 is about 12568.8631148565. The cubic root of 157976320 is about 540.5850084354.

The spelling of 157976320 in words is "one hundred fifty-seven million, nine hundred seventy-six thousand, three hundred twenty".