80790 has 16 divisors (see below), whose sum is σ = 193968. Its totient is φ = 21536.

The previous prime is 80789. The next prime is 80803. The reversal of 80790 is 9708.

80790 = T₃₆ + T₃₇ + ... + T₈₀.

It is a self number, because there is not a number n which added to its sum of digits gives 80790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317 + ... + 1376.

It is an arithmetic number, because the mean of its divisors is an integer number (12123).

2⁸⁰⁷⁹⁰ is an apocalyptic number.

80790 is an abundant number, since it is smaller than the sum of its proper divisors (113178).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96984).

80790 is a wasteful number, since it uses less digits than its factorization.

80790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 80790 is about 284.2358175881. The cubic root of 80790 is about 43.2300630933.

The spelling of 80790 in words is "eighty thousand, seven hundred ninety".