863665230 has 16 divisors (see below), whose sum is σ = 2072796624. Its totient is φ = 230310720.

The previous prime is 863665223. The next prime is 863665237. The reversal of 863665230 is 32566368.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (863665223) and next prime (863665237).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863665237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14394391 + ... + 14394450.

It is an arithmetic number, because the mean of its divisors is an integer number (129549789).

Almost surely, 2^863665230 is an apocalyptic number.

863665230 is an abundant number, since it is smaller than the sum of its proper divisors (1209131394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863665230 is a wasteful number, since it uses less digits than its factorization.

863665230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28788851.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 863665230 is about 29388.1818083392. The cubic root of 863665230 is about 952.3176027319.

The spelling of 863665230 in words is "eight hundred sixty-three million, six hundred sixty-five thousand, two hundred thirty".