865085283 has 12 divisors (see below), whose sum is σ = 1292656560. Its totient is φ = 556836336.

The previous prime is 865085279. The next prime is 865085293. The reversal of 865085283 is 382580568.

It is a happy number.

It is not a de Polignac number, because 865085283 - 2² = 865085279 is a prime.

It is not an unprimeable number, because it can be changed into a prime (865085203) 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, 1656991 + ... + 1657512.

It is an arithmetic number, because the mean of its divisors is an integer number (107721380).

Almost surely, 2^865085283 is an apocalyptic number.

865085283 is a deficient number, since it is larger than the sum of its proper divisors (427571277).

865085283 is a wasteful number, since it uses less digits than its factorization.

865085283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314538 (or 3314535 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 865085283 is about 29412.3321584671. The cubic root of 865085283 is about 952.8392558436.

The spelling of 865085283 in words is "eight hundred sixty-five million, eighty-five thousand, two hundred eighty-three".