80189892 has 24 divisors (see below), whose sum is σ = 207900000. Its totient is φ = 26729928.

The previous prime is 80189887. The next prime is 80189903. The reversal of 80189892 is 29898108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371142 + ... + 371357.

It is an arithmetic number, because the mean of its divisors is an integer number (8662500).

Almost surely, 2^80189892 is an apocalyptic number.

It is an amenable number.

80189892 is an abundant number, since it is smaller than the sum of its proper divisors (127710108).

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

80189892 is a wasteful number, since it uses less digits than its factorization.

80189892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742512 (or 742504 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 80189892 is about 8954.8809037307. The cubic root of 80189892 is about 431.2275935428.

The spelling of 80189892 in words is "eighty million, one hundred eighty-nine thousand, eight hundred ninety-two".