979206091 has 2 divisors, whose sum is σ = 979206092. Its totient is φ = 979206090.

The previous prime is 979206079. The next prime is 979206119. The reversal of 979206091 is 190602979.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 979206091 - 2⁷ = 979205963 is a prime.

It is not a weakly prime, because it can be changed into another prime (979206491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489603045 + 489603046.

It is an arithmetic number, because the mean of its divisors is an integer number (489603046).

Almost surely, 2^979206091 is an apocalyptic number.

979206091 is a deficient number, since it is larger than the sum of its proper divisors (1).

979206091 is an equidigital number, since it uses as much as digits as its factorization.

979206091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 979206091 is about 31292.2688694828. The cubic root of 979206091 is about 993.0200912252.

The spelling of 979206091 in words is "nine hundred seventy-nine million, two hundred six thousand, ninety-one".