2856709156 has 48 divisors (see below), whose sum is σ = 5787581184. Its totient is φ = 1208503296.

The previous prime is 2856709127. The next prime is 2856709159. The reversal of 2856709156 is 6519076582.

It is not an unprimeable number, because it can be changed into a prime (2856709159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830416 + ... + 833848.

It is an arithmetic number, because the mean of its divisors is an integer number (120574608).

Almost surely, 2^2856709156 is an apocalyptic number.

It is an amenable number.

2856709156 is an abundant number, since it is smaller than the sum of its proper divisors (2930872028).

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

2856709156 is a wasteful number, since it uses less digits than its factorization.

2856709156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820 (or 3818 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 2856709156 is about 53448.1913258063. The cubic root of 2856709156 is about 1418.9116099523.

The spelling of 2856709156 in words is "two billion, eight hundred fifty-six million, seven hundred nine thousand, one hundred fifty-six".