80689593 has 4 divisors (see below), whose sum is σ = 107586128. Its totient is φ = 53793060.

The previous prime is 80689549. The next prime is 80689597. The reversal of 80689593 is 39598608.

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 not a de Polignac number, because 80689593 - 2⁸ = 80689337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80689597) 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, 13448263 + ... + 13448268.

It is an arithmetic number, because the mean of its divisors is an integer number (26896532).

Almost surely, 2^80689593 is an apocalyptic number.

It is an amenable number.

80689593 is a deficient number, since it is larger than the sum of its proper divisors (26896535).

80689593 is a wasteful number, since it uses less digits than its factorization.

80689593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26896534.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 80689593 is about 8982.7386135855. The cubic root of 80689593 is about 432.1214668295.

The spelling of 80689593 in words is "eighty million, six hundred eighty-nine thousand, five hundred ninety-three".