76780968 has 32 divisors (see below), whose sum is σ = 209403360. Its totient is φ = 23266880.

The previous prime is 76780961. The next prime is 76780973. The reversal of 76780968 is 86908767.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 76780968.

It is not an unprimeable number, because it can be changed into a prime (76780961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145155 + ... + 145682.

It is an arithmetic number, because the mean of its divisors is an integer number (6543855).

Almost surely, 2^76780968 is an apocalyptic number.

It is an amenable number.

76780968 is an abundant number, since it is smaller than the sum of its proper divisors (132622392).

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

76780968 is a wasteful number, since it uses less digits than its factorization.

76780968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290857 (or 290853 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 76780968 is about 8762.4749928316. The cubic root of 76780968 is about 425.0283127620.

The spelling of 76780968 in words is "seventy-six million, seven hundred eighty thousand, nine hundred sixty-eight".