76320764387 has 16 divisors (see below), whose sum is σ = 87554039040. Its totient is φ = 65170532448.

The previous prime is 76320764381. The next prime is 76320764417. The reversal of 76320764387 is 78346702367.

It is not a de Polignac number, because 76320764387 - 2⁸ = 76320764131 is a prime.

It is a super-3 number, since 3×76320764387³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76320764381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2004653 + ... + 2042369.

It is an arithmetic number, because the mean of its divisors is an integer number (5472127440).

Almost surely, 2^76320764387 is an apocalyptic number.

76320764387 is a deficient number, since it is larger than the sum of its proper divisors (11233274653).

76320764387 is a wasteful number, since it uses less digits than its factorization.

76320764387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38810.

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 76320764387 in words is "seventy-six billion, three hundred twenty million, seven hundred sixty-four thousand, three hundred eighty-seven".