865020092 has 6 divisors (see below), whose sum is σ = 1513785168. Its totient is φ = 432510044.

The previous prime is 865020083. The next prime is 865020097. The reversal of 865020092 is 290020568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865020097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108127508 + ... + 108127515.

It is an arithmetic number, because the mean of its divisors is an integer number (252297528).

Almost surely, 2^865020092 is an apocalyptic number.

It is an amenable number.

865020092 is a deficient number, since it is larger than the sum of its proper divisors (648765076).

865020092 is a wasteful number, since it uses less digits than its factorization.

865020092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216255027 (or 216255025 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 865020092 is about 29411.2239119694. The cubic root of 865020092 is about 952.8153205910.

The spelling of 865020092 in words is "eight hundred sixty-five million, twenty thousand, ninety-two".