2856971376 has 120 divisors (see below), whose sum is σ = 9167624544. Its totient is φ = 813611520.

The previous prime is 2856971339. The next prime is 2856971387. The reversal of 2856971376 is 6731796582.

2856971376 is a `hidden beast` number, since 2 + 8 + 569 + 7 + 1 + 3 + 76 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315066 + ... + 324006.

Almost surely, 2^2856971376 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 2856971376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4583812272).

2856971376 is an abundant number, since it is smaller than the sum of its proper divisors (6310653168).

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

2856971376 is a wasteful number, since it uses less digits than its factorization.

2856971376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9279 (or 9270 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 2856971376 is about 53450.6442992037. The cubic root of 2856971376 is about 1418.9550230311.

The spelling of 2856971376 in words is "two billion, eight hundred fifty-six million, nine hundred seventy-one thousand, three hundred seventy-six".