972877456 has 10 divisors (see below), whose sum is σ = 1884950102. Its totient is φ = 486438720.

The previous prime is 972877441. The next prime is 972877459. The reversal of 972877456 is 654778279.

It can be written as a sum of positive squares in only one way, i.e., 972441856 + 435600 = 31184^2 + 660^2 .

It is a junction number, because it is equal to n+sod(n) for n = 972877397 and 972877406.

It is not an unprimeable number, because it can be changed into a prime (972877459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30402405 + ... + 30402436.

Almost surely, 2^972877456 is an apocalyptic number.

It is an amenable number.

972877456 is a deficient number, since it is larger than the sum of its proper divisors (912072646).

972877456 is a wasteful number, since it uses less digits than its factorization.

972877456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60804849 (or 60804843 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 55.

The square root of 972877456 is about 31190.9835689739. The cubic root of 972877456 is about 990.8761607266.

The spelling of 972877456 in words is "nine hundred seventy-two million, eight hundred seventy-seven thousand, four hundred fifty-six".