258167887 has 4 divisors (see below), whose sum is σ = 258603840. Its totient is φ = 257731936.

The previous prime is 258167873. The next prime is 258167927. The reversal of 258167887 is 788761852.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 258167887 - 2²⁷ = 123950159 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 (258167827) 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, 217087 + ... + 218272.

It is an arithmetic number, because the mean of its divisors is an integer number (64650960).

Almost surely, 2^258167887 is an apocalyptic number.

258167887 is a deficient number, since it is larger than the sum of its proper divisors (435953).

258167887 is an equidigital number, since it uses as much as digits as its factorization.

258167887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435952.

The product of its digits is 1505280, while the sum is 52.

The square root of 258167887 is about 16067.6036483354. The cubic root of 258167887 is about 636.7477320032.

The spelling of 258167887 in words is "two hundred fifty-eight million, one hundred sixty-seven thousand, eight hundred eighty-seven".