7982564458625 has 16 divisors (see below), whose sum is σ = 9965217435264. Its totient is φ = 6384143239600.

The previous prime is 7982564458573. The next prime is 7982564458637. The reversal of 7982564458625 is 5268544652897.

It is not a de Polignac number, because 7982564458625 - 2²⁰ = 7982563410049 is a prime.

It is a super-2 number, since 2×7982564458625² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9121589 + ... + 9958338.

It is an arithmetic number, because the mean of its divisors is an integer number (622826089704).

Almost surely, 2^{7982564458625} is an apocalyptic number.

It is an amenable number.

7982564458625 is a deficient number, since it is larger than the sum of its proper divisors (1982652976639).

7982564458625 is a wasteful number, since it uses less digits than its factorization.

7982564458625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19083289 (or 19083279 counting only the distinct ones).

The product of its digits is 1161216000, while the sum is 71.

The spelling of 7982564458625 in words is "seven trillion, nine hundred eighty-two billion, five hundred sixty-four million, four hundred fifty-eight thousand, six hundred twenty-five".