76399220799 has 72 divisors (see below), whose sum is σ = 127816532480. Its totient is φ = 43819665120.

The previous prime is 76399220771. The next prime is 76399220831. The reversal of 76399220799 is 99702299367.

It is not a de Polignac number, because 76399220799 - 2¹⁵ = 76399188031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76399220749) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 35649522 + ... + 35651664.

Almost surely, 2^76399220799 is an apocalyptic number.

76399220799 is a deficient number, since it is larger than the sum of its proper divisors (51417311681).

76399220799 is a wasteful number, since it uses less digits than its factorization.

76399220799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 23147208, while the sum is 63.

The spelling of 76399220799 in words is "seventy-six billion, three hundred ninety-nine million, two hundred twenty thousand, seven hundred ninety-nine".