80841399 has 8 divisors (see below), whose sum is σ = 107842800. Its totient is φ = 53867136.

The previous prime is 80841379. The next prime is 80841403. The reversal of 80841399 is 99314808.

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

It is not a de Polignac number, because 80841399 - 2⁵ = 80841367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80841399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80841359) 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, 1677 + ... + 12825.

It is an arithmetic number, because the mean of its divisors is an integer number (13480350).

Almost surely, 2^80841399 is an apocalyptic number.

80841399 is a deficient number, since it is larger than the sum of its proper divisors (27001401).

80841399 is a wasteful number, since it uses less digits than its factorization.

80841399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13569.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 80841399 is about 8991.1845159578. The cubic root of 80841399 is about 432.3922887688.

The spelling of 80841399 in words is "eighty million, eight hundred forty-one thousand, three hundred ninety-nine".