76799664 has 60 divisors (see below), whose sum is σ = 222904136. Its totient is φ = 25598592.

The previous prime is 76799647. The next prime is 76799669. The reversal of 76799664 is 46699767.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 76799664.

It is not an unprimeable number, because it can be changed into a prime (76799669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5989 + ... + 13764.

Almost surely, 2^76799664 is an apocalyptic number.

It is an amenable number.

76799664 is an abundant number, since it is smaller than the sum of its proper divisors (146104472).

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

76799664 is a wasteful number, since it uses less digits than its factorization.

76799664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19776 (or 19758 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 76799664 is about 8763.5417497722. The cubic root of 76799664 is about 425.0628077880.

The spelling of 76799664 in words is "seventy-six million, seven hundred ninety-nine thousand, six hundred sixty-four".