157791084 has 24 divisors (see below), whose sum is σ = 401650368. Its totient is φ = 47815440.

The previous prime is 157791071. The next prime is 157791089. The reversal of 157791084 is 480197751.

It is not an unprimeable number, because it can be changed into a prime (157791089) 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, 597562 + ... + 597825.

It is an arithmetic number, because the mean of its divisors is an integer number (16735432).

Almost surely, 2^157791084 is an apocalyptic number.

It is an amenable number.

157791084 is an abundant number, since it is smaller than the sum of its proper divisors (243859284).

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

157791084 is a wasteful number, since it uses less digits than its factorization.

157791084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195405 (or 1195403 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 157791084 is about 12561.4921088221. The cubic root of 157791084 is about 540.3736371607.

The spelling of 157791084 in words is "one hundred fifty-seven million, seven hundred ninety-one thousand, eighty-four".