80418671 has 4 divisors (see below), whose sum is σ = 82380144. Its totient is φ = 78457200.

The previous prime is 80418631. The next prime is 80418677. The reversal of 80418671 is 17681408.

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 80418671 - 2¹⁰ = 80417647 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 (80418677) 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, 980675 + ... + 980756.

It is an arithmetic number, because the mean of its divisors is an integer number (20595036).

Almost surely, 2^80418671 is an apocalyptic number.

80418671 is a deficient number, since it is larger than the sum of its proper divisors (1961473).

80418671 is a wasteful number, since it uses less digits than its factorization.

80418671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961472.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 80418671 is about 8967.6457891690. The cubic root of 80418671 is about 431.6372966573.

The spelling of 80418671 in words is "eighty million, four hundred eighteen thousand, six hundred seventy-one".