76805707506 has 32 divisors (see below), whose sum is σ = 167675082048. Its totient is φ = 23260707840.

The previous prime is 76805707457. The next prime is 76805707591. The reversal of 76805707506 is 60570750867.

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, 230875 + ... + 454878.

It is an arithmetic number, because the mean of its divisors is an integer number (5239846314).

Almost surely, 2^76805707506 is an apocalyptic number.

76805707506 is an abundant number, since it is smaller than the sum of its proper divisors (90869374542).

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

76805707506 is a wasteful number, since it uses less digits than its factorization.

76805707506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687466.

The product of its (nonzero) digits is 2469600, while the sum is 51.

The spelling of 76805707506 in words is "seventy-six billion, eight hundred five million, seven hundred seven thousand, five hundred six".