80889164 has 24 divisors (see below), whose sum is σ = 144216576. Its totient is φ = 39690000.

The previous prime is 80889143. The next prime is 80889181. The reversal of 80889164 is 46198808.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 76439 + ... + 77489.

It is an arithmetic number, because the mean of its divisors is an integer number (6009024).

Almost surely, 2^80889164 is an apocalyptic number.

It is an amenable number.

80889164 is a deficient number, since it is larger than the sum of its proper divisors (63327412).

80889164 is a wasteful number, since it uses less digits than its factorization.

80889164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 80889164 is about 8993.8403365859. The cubic root of 80889164 is about 432.4774314128.

The spelling of 80889164 in words is "eighty million, eight hundred eighty-nine thousand, one hundred sixty-four".