977829425 has 6 divisors (see below), whose sum is σ = 1212508518. Its totient is φ = 782263520.

The previous prime is 977829371. The next prime is 977829449. The reversal of 977829425 is 524928779.

977829425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 9935104 + 967894321 = 3152^2 + 31111^2 .

It is not a de Polignac number, because 977829425 - 2¹⁸ = 977567281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19556564 + ... + 19556613.

It is an arithmetic number, because the mean of its divisors is an integer number (202084753).

Almost surely, 2^977829425 is an apocalyptic number.

It is an amenable number.

977829425 is a deficient number, since it is larger than the sum of its proper divisors (234679093).

977829425 is a wasteful number, since it uses less digits than its factorization.

977829425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39113187 (or 39113182 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The square root of 977829425 is about 31270.2642297759. The cubic root of 977829425 is about 992.5545106020.

The spelling of 977829425 in words is "nine hundred seventy-seven million, eight hundred twenty-nine thousand, four hundred twenty-five".