258872278851 has 24 divisors (see below), whose sum is σ = 377000507520. Its totient is φ = 171168564096.

The previous prime is 258872278843. The next prime is 258872278867. The reversal of 258872278851 is 158872278852.

258872278851 is a `hidden beast` number, since 258 + 87 + 227 + 8 + 85 + 1 = 666.

It is not a de Polignac number, because 258872278851 - 2³ = 258872278843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (258872278811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300135 + ... + 779631.

It is an arithmetic number, because the mean of its divisors is an integer number (15708354480).

Almost surely, 2^258872278851 is an apocalyptic number.

258872278851 is a deficient number, since it is larger than the sum of its proper divisors (118128228669).

258872278851 is a wasteful number, since it uses less digits than its factorization.

258872278851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479995 (or 479992 counting only the distinct ones).

The product of its digits is 40140800, while the sum is 63.

Subtracting from 258872278851 its reverse (158872278852), we obtain a palindrome (99999999999).

The spelling of 258872278851 in words is "two hundred fifty-eight billion, eight hundred seventy-two million, two hundred seventy-eight thousand, eight hundred fifty-one".