8715157879 has 2 divisors, whose sum is σ = 8715157880. Its totient is φ = 8715157878.

The previous prime is 8715157853. The next prime is 8715157943. The reversal of 8715157879 is 9787515178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8715157879 - 2²³ = 8706769271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8715157819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4357578939 + 4357578940.

It is an arithmetic number, because the mean of its divisors is an integer number (4357578940).

Almost surely, 2^8715157879 is an apocalyptic number.

8715157879 is a deficient number, since it is larger than the sum of its proper divisors (1).

8715157879 is an equidigital number, since it uses as much as digits as its factorization.

8715157879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4939200, while the sum is 58.

The square root of 8715157879 is about 93355.0099298372. The cubic root of 8715157879 is about 2057.9038815366.

The spelling of 8715157879 in words is "eight billion, seven hundred fifteen million, one hundred fifty-seven thousand, eight hundred seventy-nine".