157597881294 has 32 divisors (see below), whose sum is σ = 360516473856. Its totient is φ = 44991372960.

The previous prime is 157597881229. The next prime is 157597881307. The reversal of 157597881294 is 492188795751.

It is a super-2 number, since 2×157597881294² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1472397 + ... + 1575800.

It is an arithmetic number, because the mean of its divisors is an integer number (11266139808).

Almost surely, 2^157597881294 is an apocalyptic number.

157597881294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

157597881294 is an abundant number, since it is smaller than the sum of its proper divisors (202918592562).

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

157597881294 is a wasteful number, since it uses less digits than its factorization.

157597881294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049440.

The product of its digits is 50803200, while the sum is 66.

The spelling of 157597881294 in words is "one hundred fifty-seven billion, five hundred ninety-seven million, eight hundred eighty-one thousand, two hundred ninety-four".