258783863055 has 16 divisors (see below), whose sum is σ = 414371009664. Its totient is φ = 137912450720.

The previous prime is 258783863027. The next prime is 258783863113. The reversal of 258783863055 is 550368387852.

It is not a de Polignac number, because 258783863055 - 2⁷ = 258783862927 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 258783863055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6580341 + ... + 6619550.

It is an arithmetic number, because the mean of its divisors is an integer number (25898188104).

Almost surely, 2^258783863055 is an apocalyptic number.

258783863055 is a deficient number, since it is larger than the sum of its proper divisors (155587146609).

258783863055 is a wasteful number, since it uses less digits than its factorization.

258783863055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13201206.

The product of its (nonzero) digits is 48384000, while the sum is 60.

The spelling of 258783863055 in words is "two hundred fifty-eight billion, seven hundred eighty-three million, eight hundred sixty-three thousand, fifty-five".