80899894 has 8 divisors (see below), whose sum is σ = 125264448. Its totient is φ = 39145080.

The previous prime is 80899877. The next prime is 80899913. The reversal of 80899894 is 49899808.

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

It is a super-2 number, since 2×80899894² = 13089585698422472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652357 + ... + 652480.

It is an arithmetic number, because the mean of its divisors is an integer number (15658056).

Almost surely, 2^80899894 is an apocalyptic number.

80899894 is a deficient number, since it is larger than the sum of its proper divisors (44364554).

80899894 is a wasteful number, since it uses less digits than its factorization.

80899894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304870.

The product of its (nonzero) digits is 1492992, while the sum is 55.

The square root of 80899894 is about 8994.4368361782. The cubic root of 80899894 is about 432.4965533711.

The spelling of 80899894 in words is "eighty million, eight hundred ninety-nine thousand, eight hundred ninety-four".