80889555 has 32 divisors (see below), whose sum is σ = 140947200. Its totient is φ = 39457152.

The previous prime is 80889547. The next prime is 80889577. The reversal of 80889555 is 55598808.

It is not a de Polignac number, because 80889555 - 2³ = 80889547 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 3372 + ... + 13158.

It is an arithmetic number, because the mean of its divisors is an integer number (4404600).

Almost surely, 2^80889555 is an apocalyptic number.

80889555 is a deficient number, since it is larger than the sum of its proper divisors (60057645).

80889555 is a wasteful number, since it uses less digits than its factorization.

80889555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9843.

The product of its (nonzero) digits is 576000, while the sum is 48.

The square root of 80889555 is about 8993.8620736589. The cubic root of 80889555 is about 432.4781282445.

The spelling of 80889555 in words is "eighty million, eight hundred eighty-nine thousand, five hundred fifty-five".