979377025 has 27 divisors (see below), whose sum is σ = 1337216713. Its totient is φ = 711022400.

The previous prime is 979377001. The next prime is 979377031. The reversal of 979377025 is 520773979.

The square root of 979377025 is 31295.

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

It can be written as a sum of positive squares in 4 ways, for example, as 232776049 + 746600976 = 15257^2 + 27324^2 .

It is not a de Polignac number, because 979377025 - 2⁹ = 979376513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 979377025.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1720941 + ... + 1721509.

Almost surely, 2^979377025 is an apocalyptic number.

979377025 is the 31295-th square number.

979377025 is the 15648-th centered octagonal number.

It is an amenable number.

979377025 is a deficient number, since it is larger than the sum of its proper divisors (357839688).

979377025 is an equidigital number, since it uses as much as digits as its factorization.

979377025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 833490, while the sum is 49.

The cubic root of 979377025 is about 993.0778696717.

Multiplying 979377025 by its sum of digits (49), we get a square (47989474225 = 219065²).

The spelling of 979377025 in words is "nine hundred seventy-nine million, three hundred seventy-seven thousand, twenty-five".