2787316056 has 128 divisors (see below), whose sum is σ = 9369216000. Its totient is φ = 749523456.

The previous prime is 2787315991. The next prime is 2787316087. The reversal of 2787316056 is 6506137872.

2787316056 is a `hidden beast` number, since 2 + 7 + 8 + 7 + 31 + 605 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28516 + ... + 79923.

It is an arithmetic number, because the mean of its divisors is an integer number (73197000).

Almost surely, 2^2787316056 is an apocalyptic number.

It is an amenable number.

2787316056 is an abundant number, since it is smaller than the sum of its proper divisors (6581899944).

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

2787316056 is a wasteful number, since it uses less digits than its factorization.

2787316056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108478 (or 108468 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 2787316056 is about 52795.0381759498. The cubic root of 2787316056 is about 1407.3282497993.

The spelling of 2787316056 in words is "two billion, seven hundred eighty-seven million, three hundred sixteen thousand, fifty-six".