258872170251 has 8 divisors (see below), whose sum is σ = 348329526160. Its totient is φ = 170998130592.

The previous prime is 258872170241. The next prime is 258872170283. The reversal of 258872170251 is 152071278852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258872170251 - 2²³ = 258863781643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 258872170251.

It is not an unprimeable number, because it can be changed into a prime (258872170241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395828680 + ... + 395829333.

It is an arithmetic number, because the mean of its divisors is an integer number (43541190770).

Almost surely, 2^258872170251 is an apocalyptic number.

258872170251 is a deficient number, since it is larger than the sum of its proper divisors (89457355909).

258872170251 is a wasteful number, since it uses less digits than its factorization.

258872170251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791658125.

The product of its (nonzero) digits is 627200, while the sum is 48.

The spelling of 258872170251 in words is "two hundred fifty-eight billion, eight hundred seventy-two million, one hundred seventy thousand, two hundred fifty-one".