579797987 has 4 divisors (see below), whose sum is σ = 582224160. Its totient is φ = 577371816.

The previous prime is 579797983. The next prime is 579798031. The reversal of 579797987 is 789797975.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 579797987 - 2² = 579797983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (579797983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212728 + ... + 1213205.

It is an arithmetic number, because the mean of its divisors is an integer number (145556040).

Almost surely, 2^579797987 is an apocalyptic number.

579797987 is a deficient number, since it is larger than the sum of its proper divisors (2426173).

579797987 is a wasteful number, since it uses less digits than its factorization.

579797987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426172.

The product of its digits is 70013160, while the sum is 68.

The square root of 579797987 is about 24078.9947256940. The cubic root of 579797987 is about 833.8582585903.

The spelling of 579797987 in words is "five hundred seventy-nine million, seven hundred ninety-seven thousand, nine hundred eighty-seven".