76684243056 has 40 divisors (see below), whose sum is σ = 198746279424. Its totient is φ = 25478147520.

The previous prime is 76684243043. The next prime is 76684243061. The reversal of 76684243056 is 65034248667.

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 7 ways as a sum of consecutive naturals, for example, 2587200 + ... + 2616671.

Almost surely, 2^76684243056 is an apocalyptic number.

It is an amenable number.

76684243056 is an abundant number, since it is smaller than the sum of its proper divisors (122062036368).

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

76684243056 is a wasteful number, since it uses less digits than its factorization.

76684243056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204189 (or 5204183 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 76684243056 in words is "seventy-six billion, six hundred eighty-four million, two hundred forty-three thousand, fifty-six".