157970808 has 48 divisors (see below), whose sum is σ = 446443920. Its totient is φ = 50366976.

The previous prime is 157970779. The next prime is 157970821. The reversal of 157970808 is 808079751.

157970808 is a `hidden beast` number, since 1 + 579 + 70 + 8 + 0 + 8 = 666.

157970808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46041 + ... + 49352.

It is an arithmetic number, because the mean of its divisors is an integer number (9300915).

Almost surely, 2^157970808 is an apocalyptic number.

157970808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

157970808 is an abundant number, since it is smaller than the sum of its proper divisors (288473112).

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

157970808 is a wasteful number, since it uses less digits than its factorization.

157970808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95428 (or 95421 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The square root of 157970808 is about 12568.6438409241. The cubic root of 157970808 is about 540.5787211234.

The spelling of 157970808 in words is "one hundred fifty-seven million, nine hundred seventy thousand, eight hundred eight".