80500605 has 16 divisors (see below), whose sum is σ = 130433280. Its totient is φ = 42389568.

The previous prime is 80500597. The next prime is 80500633. The reversal of 80500605 is 50600508.

It is not a de Polignac number, because 80500605 - 2³ = 80500597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32782 + ... + 35151.

It is an arithmetic number, because the mean of its divisors is an integer number (8152080).

Almost surely, 2^80500605 is an apocalyptic number.

It is an amenable number.

80500605 is a deficient number, since it is larger than the sum of its proper divisors (49932675).

80500605 is a wasteful number, since it uses less digits than its factorization.

80500605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68020.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 80500605 is about 8972.2129377317. The cubic root of 80500605 is about 431.7838371140.

The spelling of 80500605 in words is "eighty million, five hundred thousand, six hundred five".