76704632666 has 8 divisors (see below), whose sum is σ = 115190273664. Its totient is φ = 38307874780.

The previous prime is 76704632633. The next prime is 76704632687. The reversal of 76704632666 is 66623640767.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 22218620 + ... + 22222071.

It is an arithmetic number, because the mean of its divisors is an integer number (14398784208).

Almost surely, 2^76704632666 is an apocalyptic number.

76704632666 is a deficient number, since it is larger than the sum of its proper divisors (38485640998).

76704632666 is a wasteful number, since it uses less digits than its factorization.

76704632666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44441556.

The product of its (nonzero) digits is 9144576, while the sum is 53.

The spelling of 76704632666 in words is "seventy-six billion, seven hundred four million, six hundred thirty-two thousand, six hundred sixty-six".