8194686976 has 68 divisors (see below), whose sum is σ = 18731618752. Its totient is φ = 3511812096.

The previous prime is 8194686931. The next prime is 8194686989. The reversal of 8194686976 is 6796864918.

It is a happy number.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449821 + ... + 467683.

Almost surely, 2^8194686976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8194686976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9365809376).

8194686976 is an abundant number, since it is smaller than the sum of its proper divisors (10536931776).

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

8194686976 is an frugal number, since it uses more digits than its factorization.

8194686976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17902 (or 17872 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 64.

The square root of 8194686976 is about 90524.5103604543. The cubic root of 8194686976 is about 2016.0940579279.

The spelling of 8194686976 in words is "eight billion, one hundred ninety-four million, six hundred eighty-six thousand, nine hundred seventy-six".