864215150 has 24 divisors (see below), whose sum is σ = 1611486144. Its totient is φ = 344816000.

The previous prime is 864215141. The next prime is 864215159. The reversal of 864215150 is 51512468.

It is an interprime number because it is at equal distance from previous prime (864215141) and next prime (864215159).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864215159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1502 + ... + 41601.

It is an arithmetic number, because the mean of its divisors is an integer number (67145256).

Almost surely, 2^864215150 is an apocalyptic number.

864215150 is a deficient number, since it is larger than the sum of its proper divisors (747270994).

864215150 is a wasteful number, since it uses less digits than its factorization.

864215150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43516 (or 43511 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 864215150 is about 29397.5364614112. The cubic root of 864215150 is about 952.5196823364.

The spelling of 864215150 in words is "eight hundred sixty-four million, two hundred fifteen thousand, one hundred fifty".