76939831842 has 8 divisors (see below), whose sum is σ = 153879663696. Its totient is φ = 25646610612.

The previous prime is 76939831823. The next prime is 76939831849. The reversal of 76939831842 is 24813893967.

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

76939831842 is an admirable number.

It is a super-2 number, since 2×76939831842² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76939831849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6411652648 + ... + 6411652659.

It is an arithmetic number, because the mean of its divisors is an integer number (19234957962).

Almost surely, 2^76939831842 is an apocalyptic number.

76939831842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

76939831842 is a wasteful number, since it uses less digits than its factorization.

76939831842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12823305312.

The product of its digits is 15676416, while the sum is 60.

The spelling of 76939831842 in words is "seventy-six billion, nine hundred thirty-nine million, eight hundred thirty-one thousand, eight hundred forty-two".