587881 has 4 divisors (see below), whose sum is σ = 671872. Its totient is φ = 503892.

The previous prime is 587863. The next prime is 587887. The reversal of 587881 is 188785.

587881 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 587881 - 2⁵ = 587849 is a prime.

It is a super-2 number, since 2×587881² = 691208140322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 587881.

It is not an unprimeable number, because it can be changed into a prime (587887) 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, 41985 + ... + 41998.

It is an arithmetic number, because the mean of its divisors is an integer number (167968).

2⁵⁸⁷⁸⁸¹ is an apocalyptic number.

It is an amenable number.

587881 is a deficient number, since it is larger than the sum of its proper divisors (83991).

587881 is an equidigital number, since it uses as much as digits as its factorization.

587881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83990.

The product of its digits is 17920, while the sum is 37.

The square root of 587881 is about 766.7339825520. The cubic root of 587881 is about 83.7715352654.

The spelling of 587881 in words is "five hundred eighty-seven thousand, eight hundred eighty-one".