76976867968 has 256 divisors, whose sum is σ = 207002880000. Its totient is φ = 27535749120.

The previous prime is 76976867927. The next prime is 76976867971. The reversal of 76976867968 is 86976867967.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25495963 + ... + 25498981.

It is an arithmetic number, because the mean of its divisors is an integer number (808605000).

Almost surely, 2^76976867968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76976867968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103501440000).

76976867968 is an abundant number, since it is smaller than the sum of its proper divisors (130026012032).

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

76976867968 is a wasteful number, since it uses less digits than its factorization.

76976867968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263 (or 3251 counting only the distinct ones).

The product of its digits is 2304433152, while the sum is 79.

Subtracting 76976867968 from its reverse (86976867967), we obtain a palindrome (9999999999).

The spelling of 76976867968 in words is "seventy-six billion, nine hundred seventy-six million, eight hundred sixty-seven thousand, nine hundred sixty-eight".