977385504 has 48 divisors (see below), whose sum is σ = 2609137440. Its totient is φ = 320271360.

The previous prime is 977385491. The next prime is 977385509. The reversal of 977385504 is 405583779.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (977385509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80617 + ... + 91944.

It is an arithmetic number, because the mean of its divisors is an integer number (54357030).

Almost surely, 2^977385504 is an apocalyptic number.

It is an amenable number.

977385504 is an abundant number, since it is smaller than the sum of its proper divisors (1631751936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

977385504 is a wasteful number, since it uses less digits than its factorization.

977385504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172633 (or 172625 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 48.

The square root of 977385504 is about 31263.1652908019. The cubic root of 977385504 is about 992.4042858715.

The spelling of 977385504 in words is "nine hundred seventy-seven million, three hundred eighty-five thousand, five hundred four".