80986434 has 32 divisors (see below), whose sum is σ = 165473280. Its totient is φ = 26418000.

The previous prime is 80986429. The next prime is 80986441. The reversal of 80986434 is 43468908.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63697 + ... + 64955.

It is an arithmetic number, because the mean of its divisors is an integer number (5171040).

Almost surely, 2^80986434 is an apocalyptic number.

80986434 is an abundant number, since it is smaller than the sum of its proper divisors (84486846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80986434 is a wasteful number, since it uses less digits than its factorization.

80986434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 80986434 is about 8999.2463017744. The cubic root of 80986434 is about 432.6507147341.

The spelling of 80986434 in words is "eighty million, nine hundred eighty-six thousand, four hundred thirty-four".