977267456 has 36 divisors (see below), whose sum is σ = 2128061544. Its totient is φ = 444211200.

The previous prime is 977267453. The next prime is 977267471. The reversal of 977267456 is 654762779.

It is a junction number, because it is equal to n+sod(n) for n = 977267398 and 977267407.

It is not an unprimeable number, because it can be changed into a prime (977267453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170705 + ... + 176336.

Almost surely, 2^977267456 is an apocalyptic number.

It is an amenable number.

977267456 is an abundant number, since it is smaller than the sum of its proper divisors (1150794088).

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

977267456 is a wasteful number, since it uses less digits than its factorization.

977267456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347068 (or 347054 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 53.

The square root of 977267456 is about 31261.2772611741. The cubic root of 977267456 is about 992.3643302765.

The spelling of 977267456 in words is "nine hundred seventy-seven million, two hundred sixty-seven thousand, four hundred fifty-six".