979118797 has 2 divisors, whose sum is σ = 979118798. Its totient is φ = 979118796.

The previous prime is 979118779. The next prime is 979118831. The reversal of 979118797 is 797811979.

Together with previous prime (979118779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 811908036 + 167210761 = 28494^2 + 12931^2 .

It is a cyclic number.

It is not a de Polignac number, because 979118797 - 2¹⁵ = 979086029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979118737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489559398 + 489559399.

It is an arithmetic number, because the mean of its divisors is an integer number (489559399).

Almost surely, 2^979118797 is an apocalyptic number.

It is an amenable number.

979118797 is a deficient number, since it is larger than the sum of its proper divisors (1).

979118797 is an equidigital number, since it uses as much as digits as its factorization.

979118797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000376, while the sum is 58.

The square root of 979118797 is about 31290.8740210305. The cubic root of 979118797 is about 992.9905818527.

The spelling of 979118797 in words is "nine hundred seventy-nine million, one hundred eighteen thousand, seven hundred ninety-seven".