977076894784 has 63 divisors (see below), whose sum is σ = 1953797806773. Its totient is φ = 484809931008.

The previous prime is 977076894709. The next prime is 977076894817. The reversal of 977076894784 is 487498670779.

The square root of 977076894784 is 988472.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 286396225600 + 690680669184 = 535160^2 + 831072^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 977076894784.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1241520439 + ... + 1241521225.

Almost surely, 2^977076894784 is an apocalyptic number.

977076894784 is the 988472-nd square number.

It is an amenable number.

977076894784 is a deficient number, since it is larger than the sum of its proper divisors (976720911989).

977076894784 is an frugal number, since it uses more digits than its factorization.

977076894784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 1194891264, while the sum is 76.

The spelling of 977076894784 in words is "nine hundred seventy-seven billion, seventy-six million, eight hundred ninety-four thousand, seven hundred eighty-four".