80770 has 16 divisors (see below), whose sum is σ = 149688. Its totient is φ = 31360.

The previous prime is 80761. The next prime is 80777. The reversal of 80770 is 7708.

It can be written as a sum of positive squares in 4 ways, for example, as 67081 + 13689 = 259^2 + 117^2 .

It is not an unprimeable number, because it can be changed into a prime (80777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312 + ... + 508.

2⁸⁰⁷⁷⁰ is an apocalyptic number.

80770 is a deficient number, since it is larger than the sum of its proper divisors (68918).

80770 is a wasteful number, since it uses less digits than its factorization.

80770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 80770 is about 284.2006333561. The cubic root of 80770 is about 43.2264955205.

The spelling of 80770 in words is "eighty thousand, seven hundred seventy".