76981718823 has 8 divisors (see below), whose sum is σ = 103941561600. Its totient is φ = 50671510968.

The previous prime is 76981718813. The next prime is 76981718857. The reversal of 76981718823 is 32881718967.

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

It is not a de Polignac number, because 76981718823 - 2⁵ = 76981718791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76981718813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162408453 + ... + 162408926.

It is an arithmetic number, because the mean of its divisors is an integer number (12992695200).

Almost surely, 2^76981718823 is an apocalyptic number.

76981718823 is a deficient number, since it is larger than the sum of its proper divisors (26959842777).

76981718823 is a wasteful number, since it uses less digits than its factorization.

76981718823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324817461.

The product of its digits is 8128512, while the sum is 60.

The spelling of 76981718823 in words is "seventy-six billion, nine hundred eighty-one million, seven hundred eighteen thousand, eight hundred twenty-three".