80875091 has 8 divisors (see below), whose sum is σ = 88319424. Its totient is φ = 73446120.

The previous prime is 80875079. The next prime is 80875111. The reversal of 80875091 is 19057808.

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

It is not a de Polignac number, because 80875091 - 2⁶ = 80875027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80875891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9080 + ... + 15626.

It is an arithmetic number, because the mean of its divisors is an integer number (11039928).

Almost surely, 2^80875091 is an apocalyptic number.

80875091 is a deficient number, since it is larger than the sum of its proper divisors (7444333).

80875091 is a wasteful number, since it uses less digits than its factorization.

80875091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7681.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 80875091 is about 8993.0579337620. The cubic root of 80875091 is about 432.4523493228.

The spelling of 80875091 in words is "eighty million, eight hundred seventy-five thousand, ninety-one".