76706891670 has 32 divisors (see below), whose sum is σ = 190444698720. Its totient is φ = 19749820160.

The previous prime is 76706891663. The next prime is 76706891687. The reversal of 76706891670 is 7619860767.

It is a self number, because there is not a number n which added to its sum of digits gives 76706891670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44083551 + ... + 44085290.

It is an arithmetic number, because the mean of its divisors is an integer number (5951396835).

Almost surely, 2^76706891670 is an apocalyptic number.

76706891670 is an abundant number, since it is smaller than the sum of its proper divisors (113737807050).

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

76706891670 is a wasteful number, since it uses less digits than its factorization.

76706891670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88168880.

The product of its (nonzero) digits is 5334336, while the sum is 57.

The spelling of 76706891670 in words is "seventy-six billion, seven hundred six million, eight hundred ninety-one thousand, six hundred seventy".