80602389 has 72 divisors (see below), whose sum is σ = 149423040. Its totient is φ = 40891392.

The previous prime is 80602381. The next prime is 80602393. The reversal of 80602389 is 98320608.

It is not a de Polignac number, because 80602389 - 2³ = 80602381 is a prime.

It is a super-2 number, since 2×80602389² = 12993490225014642, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80602381) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 345817 + ... + 346049.

It is an arithmetic number, because the mean of its divisors is an integer number (2075320).

Almost surely, 2^80602389 is an apocalyptic number.

It is an amenable number.

80602389 is a deficient number, since it is larger than the sum of its proper divisors (68820651).

80602389 is a wasteful number, since it uses less digits than its factorization.

80602389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 80602389 is about 8977.8833251496. The cubic root of 80602389 is about 431.9657412390.

The spelling of 80602389 in words is "eighty million, six hundred two thousand, three hundred eighty-nine".