80832865 has 8 divisors (see below), whose sum is σ = 97047720. Its totient is φ = 64634112.

The previous prime is 80832847. The next prime is 80832883. The reversal of 80832865 is 56823808.

It is an interprime number because it is at equal distance from previous prime (80832847) and next prime (80832883).

It can be written as a sum of positive squares in 4 ways, for example, as 13198689 + 67634176 = 3633^2 + 8224^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80832865 - 2²³ = 72444257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17367 + ... + 21523.

It is an arithmetic number, because the mean of its divisors is an integer number (12130965).

Almost surely, 2^80832865 is an apocalyptic number.

It is an amenable number.

80832865 is a deficient number, since it is larger than the sum of its proper divisors (16214855).

80832865 is a wasteful number, since it uses less digits than its factorization.

80832865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8051.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 80832865 is about 8990.7099274751. The cubic root of 80832865 is about 432.3770731091.

The spelling of 80832865 in words is "eighty million, eight hundred thirty-two thousand, eight hundred sixty-five".