76831000439 has 32 divisors (see below), whose sum is σ = 81784774656. Its totient is φ = 72066735360.

The previous prime is 76831000339. The next prime is 76831000459. The reversal of 76831000439 is 93400013867.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76831000439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76831000396 and 76831000405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76831000459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77061689 + ... + 77062685.

It is an arithmetic number, because the mean of its divisors is an integer number (2555774208).

Almost surely, 2^76831000439 is an apocalyptic number.

76831000439 is a deficient number, since it is larger than the sum of its proper divisors (4953774217).

76831000439 is a wasteful number, since it uses less digits than its factorization.

76831000439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 76831000439 in words is "seventy-six billion, eight hundred thirty-one million, four hundred thirty-nine", and thus it is an aban number.