865115363 has 16 divisors (see below), whose sum is σ = 1048080384. Its totient is φ = 697096320.

The previous prime is 865115351. The next prime is 865115369. The reversal of 865115363 is 363511568.

865115363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 865115363 - 2⁴ = 865115347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (865115369) 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, 111806 + ... + 119292.

It is an arithmetic number, because the mean of its divisors is an integer number (65505024).

Almost surely, 2^865115363 is an apocalyptic number.

865115363 is a deficient number, since it is larger than the sum of its proper divisors (182965021).

865115363 is a wasteful number, since it uses less digits than its factorization.

865115363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8482.

The product of its digits is 64800, while the sum is 38.

The square root of 865115363 is about 29412.8435041565. The cubic root of 865115363 is about 952.8502994841.

The spelling of 865115363 in words is "eight hundred sixty-five million, one hundred fifteen thousand, three hundred sixty-three".