977484187684 has 27 divisors (see below), whose sum is σ = 1788287971953. Its totient is φ = 467470686672.

The previous prime is 977484187663. The next prime is 977484187763. The reversal of 977484187684 is 486781484779.

The square root of 977484187684 is 988678.

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., 85456828900 + 892027358784 = 292330^2 + 944472^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 45468442 + ... + 45489934.

Almost surely, 2^977484187684 is an apocalyptic number.

977484187684 is the 988678-th square number.

It is an amenable number.

977484187684 is a deficient number, since it is larger than the sum of its proper divisors (810803784269).

977484187684 is an frugal number, since it uses more digits than its factorization.

977484187684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43036 (or 21518 counting only the distinct ones).

The product of its digits is 606928896, while the sum is 73.

The spelling of 977484187684 in words is "nine hundred seventy-seven billion, four hundred eighty-four million, one hundred eighty-seven thousand, six hundred eighty-four".