579969947 has 2 divisors, whose sum is σ = 579969948. Its totient is φ = 579969946.

The previous prime is 579969913. The next prime is 579969959. The reversal of 579969947 is 749969975.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 579969947 - 2¹² = 579965851 is a prime.

It is not a weakly prime, because it can be changed into another prime (579969997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289984973 + 289984974.

It is an arithmetic number, because the mean of its divisors is an integer number (289984974).

Almost surely, 2^579969947 is an apocalyptic number.

579969947 is a deficient number, since it is larger than the sum of its proper divisors (1).

579969947 is an equidigital number, since it uses as much as digits as its factorization.

579969947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38578680, while the sum is 65.

The square root of 579969947 is about 24082.5652080504. The cubic root of 579969947 is about 833.9406873533.

The spelling of 579969947 in words is "five hundred seventy-nine million, nine hundred sixty-nine thousand, nine hundred forty-seven".