977057825 has 36 divisors (see below), whose sum is σ = 1295720640. Its totient is φ = 729479520.

The previous prime is 977057791. The next prime is 977057849. The reversal of 977057825 is 528750779.

It is not a de Polignac number, because 977057825 - 2¹⁴ = 977041441 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1062716 + ... + 1063634.

It is an arithmetic number, because the mean of its divisors is an integer number (35992240).

Almost surely, 2^977057825 is an apocalyptic number.

It is an amenable number.

977057825 is a deficient number, since it is larger than the sum of its proper divisors (318662815).

977057825 is a wasteful number, since it uses less digits than its factorization.

977057825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 50.

The square root of 977057825 is about 31257.9241953141. The cubic root of 977057825 is about 992.2933687391.

The spelling of 977057825 in words is "nine hundred seventy-seven million, fifty-seven thousand, eight hundred twenty-five".