6863977056 has 48 divisors (see below), whose sum is σ = 18639255600. Its totient is φ = 2209095168.

The previous prime is 6863977051. The next prime is 6863977061. The reversal of 6863977056 is 6507793686.

It is an interprime number because it is at equal distance from previous prime (6863977051) and next prime (6863977061).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×6863977056² = 94228362050588854272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6863976987 and 6863977005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6863977051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229971 + ... + 1235538.

It is an arithmetic number, because the mean of its divisors is an integer number (388317825).

Almost surely, 2^6863977056 is an apocalyptic number.

It is an amenable number.

6863977056 is an abundant number, since it is smaller than the sum of its proper divisors (11775278544).

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

6863977056 is a wasteful number, since it uses less digits than its factorization.

6863977056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465551 (or 2465543 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 57.

The square root of 6863977056 is about 82849.1222403714. The cubic root of 6863977056 is about 1900.4594508459.

The spelling of 6863977056 in words is "six billion, eight hundred sixty-three million, nine hundred seventy-seven thousand, fifty-six".