8650872215 has 4 divisors (see below), whose sum is σ = 10381046664. Its totient is φ = 6920697768.

The previous prime is 8650872151. The next prime is 8650872257. The reversal of 8650872215 is 5122780568.

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 8650872215 - 2⁶ = 8650872151 is a prime.

It is a Duffinian number.

It is a congruent 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, 865087217 + ... + 865087226.

It is an arithmetic number, because the mean of its divisors is an integer number (2595261666).

Almost surely, 2^8650872215 is an apocalyptic number.

8650872215 is a deficient number, since it is larger than the sum of its proper divisors (1730174449).

8650872215 is a wasteful number, since it uses less digits than its factorization.

8650872215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730174448.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 8650872215 is about 93010.0651273829. The cubic root of 8650872215 is about 2052.8314801529.

The spelling of 8650872215 in words is "eight billion, six hundred fifty million, eight hundred seventy-two thousand, two hundred fifteen".