977382428 has 24 divisors (see below), whose sum is σ = 1975672944. Its totient is φ = 418131200.

The previous prime is 977382403. The next prime is 977382431. The reversal of 977382428 is 824283779.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652583 + ... + 654078.

It is an arithmetic number, because the mean of its divisors is an integer number (82319706).

Almost surely, 2^977382428 is an apocalyptic number.

It is an amenable number.

977382428 is an abundant number, since it is smaller than the sum of its proper divisors (998290516).

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

977382428 is a wasteful number, since it uses less digits than its factorization.

977382428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306693 (or 1306691 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 50.

The square root of 977382428 is about 31263.1160954886. The cubic root of 977382428 is about 992.4032447815.

The spelling of 977382428 in words is "nine hundred seventy-seven million, three hundred eighty-two thousand, four hundred twenty-eight".