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BaseRepresentation
bin10011101111101011
311002221101
4103233223
510042000
61422231
7454534
oct235753
9132841
1080875
1155843
123a977
132aa72
142168b
1518e6a
hex13beb

80875 has 8 divisors (see below), whose sum is σ = 101088. Its totient is φ = 64600.

The previous prime is 80863. The next prime is 80897. The reversal of 80875 is 57808.

It is not a de Polignac number, because 80875 - 27 = 80747 is a prime.

It is a Duffinian number.

80875 is a lucky 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, 199 + ... + 448.

It is an arithmetic number, because the mean of its divisors is an integer number (12636).

280875 is an apocalyptic number.

80875 is a deficient number, since it is larger than the sum of its proper divisors (20213).

80875 is an equidigital number, since it uses as much as digits as its factorization.

80875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 80875 is about 284.3853020112. The cubic root of 80875 is about 43.2452187125.

The spelling of 80875 in words is "eighty thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 647 3235 16175 80875