8573663265 has 32 divisors (see below), whose sum is σ = 14512512000. Its totient is φ = 4310159040.

The previous prime is 8573663251. The next prime is 8573663279. The reversal of 8573663265 is 5623663758.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8573663251) and next prime (8573663279).

It is not a de Polignac number, because 8573663265 - 2⁸ = 8573663009 is a prime.

It is a super-2 number, since 2×8573663265² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18871 + ... + 132300.

It is an arithmetic number, because the mean of its divisors is an integer number (453516000).

Almost surely, 2^8573663265 is an apocalyptic number.

It is an amenable number.

8573663265 is a deficient number, since it is larger than the sum of its proper divisors (5938848735).

8573663265 is a wasteful number, since it uses less digits than its factorization.

8573663265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151397.

The product of its digits is 5443200, while the sum is 51.

The square root of 8573663265 is about 92594.0779153829. The cubic root of 8573663265 is about 2046.7060537566.

The spelling of 8573663265 in words is "eight billion, five hundred seventy-three million, six hundred sixty-three thousand, two hundred sixty-five".