80584091 has 4 divisors (see below), whose sum is σ = 92096112. Its totient is φ = 69072072.

The previous prime is 80584081. The next prime is 80584093. The reversal of 80584091 is 19048508.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80584091 - 2¹⁸ = 80321947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80584093) 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, 5756000 + ... + 5756013.

It is an arithmetic number, because the mean of its divisors is an integer number (23024028).

Almost surely, 2^80584091 is an apocalyptic number.

80584091 is a deficient number, since it is larger than the sum of its proper divisors (11512021).

80584091 is a wasteful number, since it uses less digits than its factorization.

80584091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11512020.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 80584091 is about 8976.8642075059. The cubic root of 80584091 is about 431.9330511107.

The spelling of 80584091 in words is "eighty million, five hundred eighty-four thousand, ninety-one".