80890 has 8 divisors (see below), whose sum is σ = 145620. Its totient is φ = 32352.

The previous prime is 80863. The next prime is 80897. The reversal of 80890 is 9808.

It can be written as a sum of positive squares in 2 ways, for example, as 68121 + 12769 = 261^2 + 113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (80897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4035 + ... + 4054.

2⁸⁰⁸⁹⁰ is an apocalyptic number.

80890 is a deficient number, since it is larger than the sum of its proper divisors (64730).

80890 is a wasteful number, since it uses less digits than its factorization.

80890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8096.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 80890 is about 284.4116734594. The cubic root of 80890 is about 43.2478921311.

It can be divided in two parts, 808 and 90, that added together give a palindrome (898).

The spelling of 80890 in words is "eighty thousand, eight hundred ninety".