76843389513 has 16 divisors (see below), whose sum is σ = 111778511616. Its totient is φ = 46569122640.

The previous prime is 76843389481. The next prime is 76843389521. The reversal of 76843389513 is 31598334867.

It is not a de Polignac number, because 76843389513 - 2⁵ = 76843389481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76843389563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641370 + ... + 751692.

It is an arithmetic number, because the mean of its divisors is an integer number (6986156976).

Almost surely, 2^76843389513 is an apocalyptic number.

It is an amenable number.

76843389513 is a deficient number, since it is larger than the sum of its proper divisors (34935122103).

76843389513 is a wasteful number, since it uses less digits than its factorization.

76843389513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131444.

The product of its digits is 13063680, while the sum is 57.

The spelling of 76843389513 in words is "seventy-six billion, eight hundred forty-three million, three hundred eighty-nine thousand, five hundred thirteen".