425972907556 has 27 divisors (see below), whose sum is σ = 867177734619. Its totient is φ = 182555901528.

The previous prime is 425972907527. The next prime is 425972907617. The reversal of 425972907556 is 655709279524.

The square root of 425972907556 is 652666.

It is a perfect power (a square), and thus also a powerful number.

It is a junction number, because it is equal to n+sod(n) for n = 425972907494 and 425972907503.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9114015 + ... + 9160633.

Almost surely, 2^425972907556 is an apocalyptic number.

425972907556 is the 652666-th square number.

It is an amenable number.

425972907556 is an abundant number, since it is smaller than the sum of its proper divisors (441204827063).

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

425972907556 is an frugal number, since it uses more digits than its factorization.

425972907556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93256 (or 46628 counting only the distinct ones).

The product of its (nonzero) digits is 47628000, while the sum is 61.

The spelling of 425972907556 in words is "four hundred twenty-five billion, nine hundred seventy-two million, nine hundred seven thousand, five hundred fifty-six".