7975402056 has 96 divisors (see below), whose sum is σ = 22711548600. Its totient is φ = 2524677120.

The previous prime is 7975402031. The next prime is 7975402063. The reversal of 7975402056 is 6502045797.

It can be written as a sum of positive squares in 4 ways, for example, as 2295368100 + 5680033956 = 47910^2 + 75366^2 .

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 an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96060 + ... + 158676.

Almost surely, 2^7975402056 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 7975402056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11355774300).

7975402056 is an abundant number, since it is smaller than the sum of its proper divisors (14736146544).

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

7975402056 is a wasteful number, since it uses less digits than its factorization.

7975402056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62719 (or 62712 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 7975402056 is about 89305.1065505215. The cubic root of 7975402056 is about 1997.9480668384.

The spelling of 7975402056 in words is "seven billion, nine hundred seventy-five million, four hundred two thousand, fifty-six".