864765363 has 32 divisors (see below), whose sum is σ = 1455759360. Its totient is φ = 443532960.

The previous prime is 864765347. The next prime is 864765371. The reversal of 864765363 is 363567468.

It is a happy number.

It is not a de Polignac number, because 864765363 - 2⁴ = 864765347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (864765313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5445 + ... + 41942.

It is an arithmetic number, because the mean of its divisors is an integer number (45492480).

Almost surely, 2^864765363 is an apocalyptic number.

864765363 is a deficient number, since it is larger than the sum of its proper divisors (590993997).

864765363 is a wasteful number, since it uses less digits than its factorization.

864765363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47487.

The product of its digits is 2177280, while the sum is 48.

The square root of 864765363 is about 29406.8931204913. The cubic root of 864765363 is about 952.7217838342.

The spelling of 864765363 in words is "eight hundred sixty-four million, seven hundred sixty-five thousand, three hundred sixty-three".