7988579 has 2 divisors, whose sum is σ = 7988580. Its totient is φ = 7988578.

The previous prime is 7988573. The next prime is 7988587. The reversal of 7988579 is 9758897.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7988579 - 2¹⁶ = 7923043 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7988579.

It is not a weakly prime, because it can be changed into another prime (7988573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3994289 + 3994290.

It is an arithmetic number, because the mean of its divisors is an integer number (3994290).

Almost surely, 2^7988579 is an apocalyptic number.

7988579 is a deficient number, since it is larger than the sum of its proper divisors (1).

7988579 is an equidigital number, since it uses as much as digits as its factorization.

7988579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 53.

The square root of 7988579 is about 2826.4074370126. The cubic root of 7988579 is about 199.9047796726.

The spelling of 7988579 in words is "seven million, nine hundred eighty-eight thousand, five hundred seventy-nine".