7875056004 has 12 divisors (see below), whose sum is σ = 18375130704. Its totient is φ = 2625018664.

The previous prime is 7875056003. The next prime is 7875056009. The reversal of 7875056004 is 4006505787.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×7875056004² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7875056003) 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, 328127322 + ... + 328127345.

It is an arithmetic number, because the mean of its divisors is an integer number (1531260892).

Almost surely, 2^7875056004 is an apocalyptic number.

It is an amenable number.

7875056004 is an abundant number, since it is smaller than the sum of its proper divisors (10500074700).

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

7875056004 is a wasteful number, since it uses less digits than its factorization.

7875056004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656254674 (or 656254672 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 7875056004 is about 88741.5122927258. The cubic root of 7875056004 is about 1989.5333201935.

The spelling of 7875056004 in words is "seven billion, eight hundred seventy-five million, fifty-six thousand, four".