7972770875 has 8 divisors (see below), whose sum is σ = 9950018208. Its totient is φ = 6378216600.

The previous prime is 7972770863. The next prime is 7972770931. The reversal of 7972770875 is 5780772797.

It is not a de Polignac number, because 7972770875 - 2⁴ = 7972770859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31890959 + ... + 31891208.

It is an arithmetic number, because the mean of its divisors is an integer number (1243752276).

Almost surely, 2^7972770875 is an apocalyptic number.

7972770875 is a deficient number, since it is larger than the sum of its proper divisors (1977247333).

7972770875 is an equidigital number, since it uses as much as digits as its factorization.

7972770875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63782182 (or 63782172 counting only the distinct ones).

The product of its (nonzero) digits is 12101040, while the sum is 59.

The square root of 7972770875 is about 89290.3739212688. The cubic root of 7972770875 is about 1997.7283269778.

The spelling of 7972770875 in words is "seven billion, nine hundred seventy-two million, seven hundred seventy thousand, eight hundred seventy-five".