8615200665 has 16 divisors (see below), whose sum is σ = 14259643200. Its totient is φ = 4436332992.

The previous prime is 8615200661. The next prime is 8615200729. The reversal of 8615200665 is 5660025168.

It is not a de Polignac number, because 8615200665 - 2² = 8615200661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8615200661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9902095 + ... + 9902964.

It is an arithmetic number, because the mean of its divisors is an integer number (891227700).

Almost surely, 2^8615200665 is an apocalyptic number.

It is an amenable number.

8615200665 is a deficient number, since it is larger than the sum of its proper divisors (5644442535).

8615200665 is a wasteful number, since it uses less digits than its factorization.

8615200665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19805096.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 8615200665 is about 92818.1052650828. The cubic root of 8615200665 is about 2050.0060015688.

The spelling of 8615200665 in words is "eight billion, six hundred fifteen million, two hundred thousand, six hundred sixty-five".