979299859 has 2 divisors, whose sum is σ = 979299860. Its totient is φ = 979299858.

The previous prime is 979299851. The next prime is 979299887. The reversal of 979299859 is 958992979.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 979299859 - 2³ = 979299851 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 979299794 and 979299803.

It is not a weakly prime, because it can be changed into another prime (979299851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489649929 + 489649930.

It is an arithmetic number, because the mean of its divisors is an integer number (489649930).

Almost surely, 2^979299859 is an apocalyptic number.

979299859 is a deficient number, since it is larger than the sum of its proper divisors (1).

979299859 is an equidigital number, since it uses as much as digits as its factorization.

979299859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33067440, while the sum is 67.

The square root of 979299859 is about 31293.7670950622. The cubic root of 979299859 is about 993.0517871527.

The spelling of 979299859 in words is "nine hundred seventy-nine million, two hundred ninety-nine thousand, eight hundred fifty-nine".