2867855056 has 20 divisors (see below), whose sum is σ = 6061603104. Its totient is φ = 1303570400.

The previous prime is 2867855051. The next prime is 2867855057. The reversal of 2867855056 is 6505587682.

It is a junction number, because it is equal to n+sod(n) for n = 2867854994 and 2867855012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2867855051) 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, 8147140 + ... + 8147491.

Almost surely, 2^2867855056 is an apocalyptic number.

It is an amenable number.

2867855056 is an abundant number, since it is smaller than the sum of its proper divisors (3193748048).

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

2867855056 is a wasteful number, since it uses less digits than its factorization.

2867855056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16294650 (or 16294644 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 52.

The square root of 2867855056 is about 53552.3580806672. The cubic root of 2867855056 is about 1420.7545840671.

The spelling of 2867855056 in words is "two billion, eight hundred sixty-seven million, eight hundred fifty-five thousand, fifty-six".