929980566025 has 81 divisors (see below), whose sum is σ = 1367499565479. Its totient is φ = 625550086560.

The previous prime is 929980566017. The next prime is 929980566059. The reversal of 929980566025 is 520665089929.

The square root of 929980566025 is 964355.

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

It can be written as a sum of positive squares in only one way, i.e., 334793003769 + 595187562256 = 578613^2 + 771484^2 .

It is not a de Polignac number, because 929980566025 - 2³ = 929980566017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1991392842 + ... + 1991393308.

Almost surely, 2^929980566025 is an apocalyptic number.

929980566025 is the 964355-th square number.

929980566025 is the 482178-th centered octagonal number.

It is an amenable number.

929980566025 is a deficient number, since it is larger than the sum of its proper divisors (437518999454).

929980566025 is an frugal number, since it uses more digits than its factorization.

929980566025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 61.

The spelling of 929980566025 in words is "nine hundred twenty-nine billion, nine hundred eighty million, five hundred sixty-six thousand, twenty-five".