80472591 has 6 divisors (see below), whose sum is σ = 116238200. Its totient is φ = 53648388.

The previous prime is 80472589. The next prime is 80472631. The reversal of 80472591 is 19527408.

It is not a de Polignac number, because 80472591 - 2¹ = 80472589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80472541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4470691 + ... + 4470708.

Almost surely, 2^80472591 is an apocalyptic number.

80472591 is a deficient number, since it is larger than the sum of its proper divisors (35765609).

80472591 is a wasteful number, since it uses less digits than its factorization.

80472591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8941405 (or 8941402 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 80472591 is about 8970.6516485705. The cubic root of 80472591 is about 431.7337447542.

Adding to 80472591 its reverse (19527408), we get a palindrome (99999999).

The spelling of 80472591 in words is "eighty million, four hundred seventy-two thousand, five hundred ninety-one".