2157157088 has 48 divisors (see below), whose sum is σ = 4319496720. Its totient is φ = 1060300800.

The previous prime is 2157157087. The next prime is 2157157133. The reversal of 2157157088 is 8807517512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157157087) 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, 454568 + ... + 459288.

It is an arithmetic number, because the mean of its divisors is an integer number (89989515).

Almost surely, 2^2157157088 is an apocalyptic number.

It is an amenable number.

2157157088 is an abundant number, since it is smaller than the sum of its proper divisors (2162339632).

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

2157157088 is a wasteful number, since it uses less digits than its factorization.

2157157088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971 (or 4963 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 44.

The square root of 2157157088 is about 46445.2052207760. The cubic root of 2157157088 is about 1292.0934476017.

The spelling of 2157157088 in words is "two billion, one hundred fifty-seven million, one hundred fifty-seven thousand, eighty-eight".