8579149879 has 2 divisors, whose sum is σ = 8579149880. Its totient is φ = 8579149878.

The previous prime is 8579149877. The next prime is 8579149907. The reversal of 8579149879 is 9789419758.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8579149879 - 2¹ = 8579149877 is a prime.

Together with 8579149877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8579149877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4289574939 + 4289574940.

It is an arithmetic number, because the mean of its divisors is an integer number (4289574940).

Almost surely, 2^8579149879 is an apocalyptic number.

8579149879 is a deficient number, since it is larger than the sum of its proper divisors (1).

8579149879 is an equidigital number, since it uses as much as digits as its factorization.

8579149879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 67.

The square root of 8579149879 is about 92623.7004173338. The cubic root of 8579149879 is about 2047.1425490718.

The spelling of 8579149879 in words is "eight billion, five hundred seventy-nine million, one hundred forty-nine thousand, eight hundred seventy-nine".