258879263 has 4 divisors (see below), whose sum is σ = 259220208. Its totient is φ = 258538320.

The previous prime is 258879253. The next prime is 258879301. The reversal of 258879263 is 362978852.

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 258879263 - 2¹⁰ = 258878239 is a prime.

It is a super-3 number, since 3×258879263³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258879253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169331 + ... + 170852.

It is an arithmetic number, because the mean of its divisors is an integer number (64805052).

Almost surely, 2^258879263 is an apocalyptic number.

258879263 is a deficient number, since it is larger than the sum of its proper divisors (340945).

258879263 is an equidigital number, since it uses as much as digits as its factorization.

258879263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340944.

The product of its digits is 1451520, while the sum is 50.

The square root of 258879263 is about 16089.7253860966. The cubic root of 258879263 is about 637.3320438227.

The spelling of 258879263 in words is "two hundred fifty-eight million, eight hundred seventy-nine thousand, two hundred sixty-three".