80368589 has 4 divisors (see below), whose sum is σ = 91849824. Its totient is φ = 68887356.

The previous prime is 80368559. The next prime is 80368597. The reversal of 80368589 is 98586308.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80368589 is a prime.

It is a super-2 number, since 2×80368589² = 12918220195701842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80368559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5740607 + ... + 5740620.

It is an arithmetic number, because the mean of its divisors is an integer number (22962456).

Almost surely, 2^80368589 is an apocalyptic number.

It is an amenable number.

80368589 is a deficient number, since it is larger than the sum of its proper divisors (11481235).

80368589 is a wasteful number, since it uses less digits than its factorization.

80368589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11481234.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 80368589 is about 8964.8529826205. The cubic root of 80368589 is about 431.5476750645.

The spelling of 80368589 in words is "eighty million, three hundred sixty-eight thousand, five hundred eighty-nine".