157957836 has 24 divisors (see below), whose sum is σ = 384593664. Its totient is φ = 50363280.

The previous prime is 157957831. The next prime is 157957837. The reversal of 157957836 is 638759751.

It is not an unprimeable number, because it can be changed into a prime (157957831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285880 + ... + 286431.

It is an arithmetic number, because the mean of its divisors is an integer number (16024736).

Almost surely, 2^157957836 is an apocalyptic number.

It is an amenable number.

157957836 is an abundant number, since it is smaller than the sum of its proper divisors (226635828).

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

157957836 is a wasteful number, since it uses less digits than its factorization.

157957836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572341 (or 572339 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 51.

The square root of 157957836 is about 12568.1277842008. The cubic root of 157957836 is about 540.5639239188.

The spelling of 157957836 in words is "one hundred fifty-seven million, nine hundred fifty-seven thousand, eight hundred thirty-six".