8179894979 has 8 divisors (see below), whose sum is σ = 8316051072. Its totient is φ = 8043805440.

The previous prime is 8179894951. The next prime is 8179895033. The reversal of 8179894979 is 9794989718.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8179894979 - 2¹² = 8179890883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8179894909) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 272627 + ... + 301139.

It is an arithmetic number, because the mean of its divisors is an integer number (1039506384).

Almost surely, 2^8179894979 is an apocalyptic number.

8179894979 is a deficient number, since it is larger than the sum of its proper divisors (136156093).

8179894979 is a wasteful number, since it uses less digits than its factorization.

8179894979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33277.

The product of its digits is 82301184, while the sum is 71.

The square root of 8179894979 is about 90442.7718449628. The cubic root of 8179894979 is about 2014.8802625745.

The spelling of 8179894979 in words is "eight billion, one hundred seventy-nine million, eight hundred ninety-four thousand, nine hundred seventy-nine".