8129313764 has 48 divisors (see below), whose sum is σ = 16743060096. Its totient is φ = 3404851200.

The previous prime is 8129313757. The next prime is 8129313839. The reversal of 8129313764 is 4673139218.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317729 + ... + 342359.

It is an arithmetic number, because the mean of its divisors is an integer number (348813752).

Almost surely, 2^8129313764 is an apocalyptic number.

It is an amenable number.

8129313764 is an abundant number, since it is smaller than the sum of its proper divisors (8613746332).

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

8129313764 is a wasteful number, since it uses less digits than its factorization.

8129313764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25236 (or 25234 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 8129313764 is about 90162.7071687624. The cubic root of 8129313764 is about 2010.7186001848.

The spelling of 8129313764 in words is "eight billion, one hundred twenty-nine million, three hundred thirteen thousand, seven hundred sixty-four".