258877 has 4 divisors (see below), whose sum is σ = 262080. Its totient is φ = 255676.

The previous prime is 258871. The next prime is 258887. The reversal of 258877 is 778852.

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 a de Polignac number, because none of the positive numbers 2^k-258877 is a prime.

It is a super-2 number, since 2×258877² = 134034602258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1477 + ... + 1642.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2²⁵⁸⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

258877 is a deficient number, since it is larger than the sum of its proper divisors (3203).

258877 is an equidigital number, since it uses as much as digits as its factorization.

258877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202.

The product of its digits is 31360, while the sum is 37.

The square root of 258877 is about 508.7995676099. The cubic root of 258877 is about 63.7330186732.

Subtracting from 258877 its sum of digits (37), we obtain a triangular number (258840 = T₇₁₉).

The spelling of 258877 in words is "two hundred fifty-eight thousand, eight hundred seventy-seven".