80870 has 8 divisors (see below), whose sum is σ = 145584. Its totient is φ = 32344.

The previous prime is 80863. The next prime is 80897. The reversal of 80870 is 7808.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

80870 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 4034 + ... + 4053.

It is an arithmetic number, because the mean of its divisors is an integer number (18198).

2⁸⁰⁸⁷⁰ is an apocalyptic number.

80870 is a deficient number, since it is larger than the sum of its proper divisors (64714).

80870 is a wasteful number, since it uses less digits than its factorization.

80870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8094.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 80870 is about 284.3765109850. The cubic root of 80870 is about 43.2443274996.

Adding to 80870 its product of nonzero digits (448), we get a palindrome (81318).

It can be divided in two parts, 808 and 70, that added together give a palindrome (878).

The spelling of 80870 in words is "eighty thousand, eight hundred seventy".