8979875215 has 4 divisors (see below), whose sum is σ = 10775850264. Its totient is φ = 7183900168.

The previous prime is 8979875207. The next prime is 8979875237. The reversal of 8979875215 is 5125789798.

8979875215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8979875215 - 2³ = 8979875207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897987517 + ... + 897987526.

It is an arithmetic number, because the mean of its divisors is an integer number (2693962566).

Almost surely, 2^8979875215 is an apocalyptic number.

8979875215 is a deficient number, since it is larger than the sum of its proper divisors (1795975049).

8979875215 is a wasteful number, since it uses less digits than its factorization.

8979875215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795975048.

The product of its digits is 12700800, while the sum is 61.

The square root of 8979875215 is about 94762.2035149036. The cubic root of 8979875215 is about 2078.5322497062.

The spelling of 8979875215 in words is "eight billion, nine hundred seventy-nine million, eight hundred seventy-five thousand, two hundred fifteen".