180887 has 4 divisors (see below), whose sum is σ = 206736. Its totient is φ = 155040.

The previous prime is 180883. The next prime is 180907. The reversal of 180887 is 788081.

180887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788081 = 7 ⋅112583.

It is a cyclic number.

It is not a de Polignac number, because 180887 - 2² = 180883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180883) 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, 12914 + ... + 12927.

It is an arithmetic number, because the mean of its divisors is an integer number (51684).

2¹⁸⁰⁸⁸⁷ is an apocalyptic number.

180887 is a deficient number, since it is larger than the sum of its proper divisors (25849).

180887 is an equidigital number, since it uses as much as digits as its factorization.

180887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25848.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 180887 is about 425.3081235998. The cubic root of 180887 is about 56.5547541360.

The spelling of 180887 in words is "one hundred eighty thousand, eight hundred eighty-seven".