80189858 has 16 divisors (see below), whose sum is σ = 138044544. Its totient is φ = 34223040.

The previous prime is 80189831. The next prime is 80189873. The reversal of 80189858 is 85898108.

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, 8510 + ... + 15257.

It is an arithmetic number, because the mean of its divisors is an integer number (8627784).

Almost surely, 2^80189858 is an apocalyptic number.

80189858 is a deficient number, since it is larger than the sum of its proper divisors (57854686).

80189858 is a wasteful number, since it uses less digits than its factorization.

80189858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24017.

The product of its (nonzero) digits is 184320, while the sum is 47.

The square root of 80189858 is about 8954.8790053244. The cubic root of 80189858 is about 431.2275325969.

The spelling of 80189858 in words is "eighty million, one hundred eighty-nine thousand, eight hundred fifty-eight".