977594642 has 16 divisors (see below), whose sum is σ = 1498528512. Its totient is φ = 478098240.

The previous prime is 977594633. The next prime is 977594677. The reversal of 977594642 is 246495779.

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, 264467 + ... + 268137.

It is an arithmetic number, because the mean of its divisors is an integer number (93658032).

Almost surely, 2^977594642 is an apocalyptic number.

977594642 is a deficient number, since it is larger than the sum of its proper divisors (520933870).

977594642 is a wasteful number, since it uses less digits than its factorization.

977594642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553.

The product of its digits is 3810240, while the sum is 53.

The square root of 977594642 is about 31266.5099107655. The cubic root of 977594642 is about 992.4750647146.

The spelling of 977594642 in words is "nine hundred seventy-seven million, five hundred ninety-four thousand, six hundred forty-two".