76634314859 has 4 divisors (see below), whose sum is σ = 79966241616. Its totient is φ = 73302388104.

The previous prime is 76634314853. The next prime is 76634314949. The reversal of 76634314859 is 95841343667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95841343667 = 53 ⋅1808327239.

It is a cyclic number.

It is not a de Polignac number, because 76634314859 - 2⁴ = 76634314843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76634314853) 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, 1665963344 + ... + 1665963389.

It is an arithmetic number, because the mean of its divisors is an integer number (19991560404).

Almost surely, 2^76634314859 is an apocalyptic number.

76634314859 is a deficient number, since it is larger than the sum of its proper divisors (3331926757).

76634314859 is a wasteful number, since it uses less digits than its factorization.

76634314859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331926756.

The product of its digits is 13063680, while the sum is 56.

The spelling of 76634314859 in words is "seventy-six billion, six hundred thirty-four million, three hundred fourteen thousand, eight hundred fifty-nine".