979517579 has 2 divisors, whose sum is σ = 979517580. Its totient is φ = 979517578.

The previous prime is 979517573. The next prime is 979517641. The reversal of 979517579 is 975715979.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 979517579 - 2⁴ = 979517563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (979517573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489758789 + 489758790.

It is an arithmetic number, because the mean of its divisors is an integer number (489758790).

Almost surely, 2^979517579 is an apocalyptic number.

979517579 is a deficient number, since it is larger than the sum of its proper divisors (1).

979517579 is an equidigital number, since it uses as much as digits as its factorization.

979517579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6251175, while the sum is 59.

The square root of 979517579 is about 31297.2455497285. The cubic root of 979517579 is about 993.1253741522.

The spelling of 979517579 in words is "nine hundred seventy-nine million, five hundred seventeen thousand, five hundred seventy-nine".