977925 has 48 divisors (see below), whose sum is σ = 1874880. Its totient is φ = 445440.

The previous prime is 977923. The next prime is 977927. The reversal of 977925 is 529779.

977925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (977923) and next prime (977927).

It is not a de Polignac number, because 977925 - 2¹ = 977923 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 977925.

It is not an unprimeable number, because it can be changed into a prime (977923) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16546 + ... + 16604.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2⁹⁷⁷⁹²⁵ is an apocalyptic number.

It is an amenable number.

977925 is a deficient number, since it is larger than the sum of its proper divisors (896955).

977925 is a wasteful number, since it uses less digits than its factorization.

977925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 97 counting only the distinct ones).

The product of its digits is 39690, while the sum is 39.

The square root of 977925 is about 988.9009050456. The cubic root of 977925 is about 99.2586847635.

The spelling of 977925 in words is "nine hundred seventy-seven thousand, nine hundred twenty-five".