8715615479 has 2 divisors, whose sum is σ = 8715615480. Its totient is φ = 8715615478.

The previous prime is 8715615473. The next prime is 8715615511. The reversal of 8715615479 is 9745165178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8715615479 - 2¹² = 8715611383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8715615479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8715615473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4357807739 + 4357807740.

It is an arithmetic number, because the mean of its divisors is an integer number (4357807740).

Almost surely, 2^8715615479 is an apocalyptic number.

8715615479 is a deficient number, since it is larger than the sum of its proper divisors (1).

8715615479 is an equidigital number, since it uses as much as digits as its factorization.

8715615479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 53.

The square root of 8715615479 is about 93357.4607570279. The cubic root of 8715615479 is about 2057.9398984911.

The spelling of 8715615479 in words is "eight billion, seven hundred fifteen million, six hundred fifteen thousand, four hundred seventy-nine".