8194279688 has 32 divisors (see below), whose sum is σ = 17562355200. Its totient is φ = 3511197312.

The previous prime is 8194279657. The next prime is 8194279699. The reversal of 8194279688 is 8869724918.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8194279688.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428393 + ... + 447111.

It is an arithmetic number, because the mean of its divisors is an integer number (548823600).

Almost surely, 2^8194279688 is an apocalyptic number.

It is an amenable number.

8194279688 is an abundant number, since it is smaller than the sum of its proper divisors (9368075512).

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

8194279688 is a wasteful number, since it uses less digits than its factorization.

8194279688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26549 (or 26545 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 62.

The square root of 8194279688 is about 90522.2607318222. The cubic root of 8194279688 is about 2016.0606564275.

The spelling of 8194279688 in words is "eight billion, one hundred ninety-four million, two hundred seventy-nine thousand, six hundred eighty-eight".