979570231 has 2 divisors, whose sum is σ = 979570232. Its totient is φ = 979570230.

The previous prime is 979570201. The next prime is 979570303. The reversal of 979570231 is 132075979.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 979570231 - 2¹³ = 979562039 is a prime.

It is a super-2 number, since 2×979570231² = 1919115674922786722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979570201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489785115 + 489785116.

It is an arithmetic number, because the mean of its divisors is an integer number (489785116).

Almost surely, 2^979570231 is an apocalyptic number.

979570231 is a deficient number, since it is larger than the sum of its proper divisors (1).

979570231 is an equidigital number, since it uses as much as digits as its factorization.

979570231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 979570231 is about 31298.0866987105. The cubic root of 979570231 is about 993.1431683199.

The spelling of 979570231 in words is "nine hundred seventy-nine million, five hundred seventy thousand, two hundred thirty-one".