258350873855 has 4 divisors (see below), whose sum is σ = 310021048632. Its totient is φ = 206680699080.

The previous prime is 258350873831. The next prime is 258350873857. The reversal of 258350873855 is 558378053852.

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

It is not a de Polignac number, because 258350873855 - 2¹⁸ = 258350611711 is a prime.

It is a super-2 number, since 2×258350873855² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 258350873794 and 258350873803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258350873857) 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, 25835087381 + ... + 25835087390.

It is an arithmetic number, because the mean of its divisors is an integer number (77505262158).

Almost surely, 2^258350873855 is an apocalyptic number.

258350873855 is a deficient number, since it is larger than the sum of its proper divisors (51670174777).

258350873855 is an equidigital number, since it uses as much as digits as its factorization.

258350873855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51670174776.

The product of its (nonzero) digits is 40320000, while the sum is 59.

The spelling of 258350873855 in words is "two hundred fifty-eight billion, three hundred fifty million, eight hundred seventy-three thousand, eight hundred fifty-five".