3157872564 has 96 divisors (see below), whose sum is σ = 9199282176. Its totient is φ = 819089280.

The previous prime is 3157872563. The next prime is 3157872569. The reversal of 3157872564 is 4652787513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157872563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 817662 + ... + 821514.

It is an arithmetic number, because the mean of its divisors is an integer number (95825856).

Almost surely, 2^3157872564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3157872564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4599641088).

3157872564 is an abundant number, since it is smaller than the sum of its proper divisors (6041409612).

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

3157872564 is a wasteful number, since it uses less digits than its factorization.

3157872564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765 (or 4763 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 48.

The square root of 3157872564 is about 56194.9514102468. The cubic root of 3157872564 is about 1467.1173960656.

The spelling of 3157872564 in words is "three billion, one hundred fifty-seven million, eight hundred seventy-two thousand, five hundred sixty-four".