157087684 has 36 divisors (see below), whose sum is σ = 314519044. Its totient is φ = 68230656.

The previous prime is 157087613. The next prime is 157087691. The reversal of 157087684 is 486780751.

It can be written as a sum of positive squares in 6 ways, for example, as 26625600 + 130462084 = 5160^2 + 11422^2 .

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, 9802 + ... + 20254.

Almost surely, 2^157087684 is an apocalyptic number.

It is an amenable number.

157087684 is an abundant number, since it is smaller than the sum of its proper divisors (157431360).

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

157087684 is a wasteful number, since it uses less digits than its factorization.

157087684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10504 (or 10485 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 157087684 is about 12533.4625702557. The cubic root of 157087684 is about 539.5694831061.

The spelling of 157087684 in words is "one hundred fifty-seven million, eighty-seven thousand, six hundred eighty-four".