976613856 has 144 divisors (see below), whose sum is σ = 2744896896. Its totient is φ = 303418368.

The previous prime is 976613849. The next prime is 976613857. The reversal of 976613856 is 658316679.

It is a junction number, because it is equal to n+sod(n) for n = 976613799 and 976613808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (976613857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11766391 + ... + 11766473.

It is an arithmetic number, because the mean of its divisors is an integer number (19061784).

Almost surely, 2^976613856 is an apocalyptic number.

976613856 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 976613856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1372448448).

976613856 is an abundant number, since it is smaller than the sum of its proper divisors (1768283040).

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

976613856 is a wasteful number, since it uses less digits than its factorization.

976613856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 184 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The square root of 976613856 is about 31250.8216851973. The cubic root of 976613856 is about 992.1430486565.

The spelling of 976613856 in words is "nine hundred seventy-six million, six hundred thirteen thousand, eight hundred fifty-six".