8139696264 has 64 divisors (see below), whose sum is σ = 25840310400. Its totient is φ = 2325627072.

The previous prime is 8139696221. The next prime is 8139696347. The reversal of 8139696264 is 4626969318.

8139696264 is a `hidden beast` number, since 8 + 1 + 3 + 9 + 6 + 9 + 626 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 8139696264.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2690187 + ... + 2693210.

It is an arithmetic number, because the mean of its divisors is an integer number (403754850).

Almost surely, 2^8139696264 is an apocalyptic number.

8139696264 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8139696264 is an abundant number, since it is smaller than the sum of its proper divisors (17700614136).

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

8139696264 is a wasteful number, since it uses less digits than its factorization.

8139696264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383419 (or 5383409 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 8139696264 is about 90220.2652623012. The cubic root of 8139696264 is about 2011.5742445547.

The spelling of 8139696264 in words is "eight billion, one hundred thirty-nine million, six hundred ninety-six thousand, two hundred sixty-four".