2856831764 has 12 divisors (see below), whose sum is σ = 5115722304. Its totient is φ = 1395196824.

The previous prime is 2856831749. The next prime is 2856831767. The reversal of 2856831764 is 4671386582.

It is a super-2 number, since 2×2856831764² = 16322975455598703392, which contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2856831767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8304572 + ... + 8304915.

It is an arithmetic number, because the mean of its divisors is an integer number (426310192).

Almost surely, 2^2856831764 is an apocalyptic number.

It is an amenable number.

2856831764 is a deficient number, since it is larger than the sum of its proper divisors (2258890540).

2856831764 is a wasteful number, since it uses less digits than its factorization.

2856831764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16609534 (or 16609532 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 2856831764 is about 53449.3382933783. The cubic root of 2856831764 is about 1418.9319092333.

The spelling of 2856831764 in words is "two billion, eight hundred fifty-six million, eight hundred thirty-one thousand, seven hundred sixty-four".