80414891 has 4 divisors (see below), whose sum is σ = 80552472. Its totient is φ = 80277312.

The previous prime is 80414863. The next prime is 80414903. The reversal of 80414891 is 19841408.

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 80414891 - 2¹⁰ = 80413867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80414291) 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, 67910 + ... + 69083.

It is an arithmetic number, because the mean of its divisors is an integer number (20138118).

Almost surely, 2^80414891 is an apocalyptic number.

80414891 is a deficient number, since it is larger than the sum of its proper divisors (137581).

80414891 is a wasteful number, since it uses less digits than its factorization.

80414891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137580.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 80414891 is about 8967.4350290370. The cubic root of 80414891 is about 431.6305336567.

The spelling of 80414891 in words is "eighty million, four hundred fourteen thousand, eight hundred ninety-one".