76331389320 has 96 divisors (see below), whose sum is σ = 248233840920. Its totient is φ = 20342169600.

The previous prime is 76331389313. The next prime is 76331389331. The reversal of 76331389320 is 2398313367.

76331389320 is a `hidden beast` number, since 7 + 6 + 3 + 313 + 8 + 9 + 320 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 74146200804 + 2185188516 = 272298^2 + 46746^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510142 + ... + 642578.

Almost surely, 2^76331389320 is an apocalyptic number.

It is an amenable number.

76331389320 is an abundant number, since it is smaller than the sum of its proper divisors (171902451600).

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

76331389320 is a wasteful number, since it uses less digits than its factorization.

76331389320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134055 (or 134048 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 76331389320 in words is "seventy-six billion, three hundred thirty-one million, three hundred eighty-nine thousand, three hundred twenty".