8557319679 has 16 divisors (see below), whose sum is σ = 11447621472. Its totient is φ = 5685977088.

The previous prime is 8557319677. The next prime is 8557319723. The reversal of 8557319679 is 9769137558.

It is not a de Polignac number, because 8557319679 - 2¹ = 8557319677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8557319677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1578177 + ... + 1583589.

It is an arithmetic number, because the mean of its divisors is an integer number (715476342).

Almost surely, 2^8557319679 is an apocalyptic number.

8557319679 is a deficient number, since it is larger than the sum of its proper divisors (2890301793).

8557319679 is a wasteful number, since it uses less digits than its factorization.

8557319679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7066.

The product of its digits is 14288400, while the sum is 60.

The square root of 8557319679 is about 92505.7818679460. The cubic root of 8557319679 is about 2045.4047121566.

The spelling of 8557319679 in words is "eight billion, five hundred fifty-seven million, three hundred nineteen thousand, six hundred seventy-nine".