76861218304 has 40 divisors (see below), whose sum is σ = 165385586520. Its totient is φ = 35474405376.

The previous prime is 76861218257. The next prime is 76861218319. The reversal of 76861218304 is 40381216867.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5767174 + ... + 5780485.

It is an arithmetic number, because the mean of its divisors is an integer number (4134639663).

Almost surely, 2^76861218304 is an apocalyptic number.

It is an amenable number.

76861218304 is an abundant number, since it is smaller than the sum of its proper divisors (88524368216).

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

76861218304 is a wasteful number, since it uses less digits than its factorization.

76861218304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11547690 (or 11547674 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 76861218304 in words is "seventy-six billion, eight hundred sixty-one million, two hundred eighteen thousand, three hundred four".