977437696 has 33 divisors (see below), whose sum is σ = 1955922829. Its totient is φ = 488218624.

The previous prime is 977437649. The next prime is 977437697. The reversal of 977437696 is 696734779.

The square root of 977437696 is 31264.

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., 914457600 + 62980096 = 30240^2 + 7936^2 .

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 977437696.

It is not an unprimeable number, because it can be changed into a prime (977437697) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 999960 + ... + 1000936.

Almost surely, 2^977437696 is an apocalyptic number.

977437696 is the 31264-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 977437696

977437696 is an abundant number, since it is smaller than the sum of its proper divisors (978485133).

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

977437696 is an frugal number, since it uses more digits than its factorization.

977437696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974 (or 979 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 58.

The cubic root of 977437696 is about 992.4219502227.

The spelling of 977437696 in words is "nine hundred seventy-seven million, four hundred thirty-seven thousand, six hundred ninety-six".