9157679497 has 2 divisors, whose sum is σ = 9157679498. Its totient is φ = 9157679496.

The previous prime is 9157679467. The next prime is 9157679501. The reversal of 9157679497 is 7949767519.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8880423696 + 277255801 = 94236^2 + 16651^2 .

It is a cyclic number.

It is not a de Polignac number, because 9157679497 - 2⁷ = 9157679369 is a prime.

It is not a weakly prime, because it can be changed into another prime (9157679417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4578839748 + 4578839749.

It is an arithmetic number, because the mean of its divisors is an integer number (4578839749).

Almost surely, 2^9157679497 is an apocalyptic number.

It is an amenable number.

9157679497 is a deficient number, since it is larger than the sum of its proper divisors (1).

9157679497 is an equidigital number, since it uses as much as digits as its factorization.

9157679497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30005640, while the sum is 64.

The square root of 9157679497 is about 95695.7653033822. The cubic root of 9157679497 is about 2092.1612143108.

The spelling of 9157679497 in words is "nine billion, one hundred fifty-seven million, six hundred seventy-nine thousand, four hundred ninety-seven".