8715115 has 4 divisors (see below), whose sum is σ = 10458144. Its totient is φ = 6972088.

The previous prime is 8715107. The next prime is 8715143. The reversal of 8715115 is 5115178.

8715115 is digitally balanced in base 3, 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 8715115 - 2³ = 8715107 is a prime.

It is an Ulam number.

It is a Duffinian number.

8715115 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871507 + ... + 871516.

It is an arithmetic number, because the mean of its divisors is an integer number (2614536).

Almost surely, 2^8715115 is an apocalyptic number.

8715115 is a deficient number, since it is larger than the sum of its proper divisors (1743029).

8715115 is a wasteful number, since it uses less digits than its factorization.

8715115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743028.

The product of its digits is 1400, while the sum is 28.

The square root of 8715115 is about 2952.1373613028. The cubic root of 8715115 is about 205.7900506535.

The spelling of 8715115 in words is "eight million, seven hundred fifteen thousand, one hundred fifteen".