258872278867 has 2 divisors, whose sum is σ = 258872278868. Its totient is φ = 258872278866.

The previous prime is 258872278843. The next prime is 258872278883. The reversal of 258872278867 is 768872278852.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258872278867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 258872278796 and 258872278805.

It is not a weakly prime, because it can be changed into another prime (258872278817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129436139433 + 129436139434.

It is an arithmetic number, because the mean of its divisors is an integer number (129436139434).

Almost surely, 2^258872278867 is an apocalyptic number.

258872278867 is a deficient number, since it is larger than the sum of its proper divisors (1).

258872278867 is an equidigital number, since it uses as much as digits as its factorization.

258872278867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 337182720, while the sum is 70.

The spelling of 258872278867 in words is "two hundred fifty-eight billion, eight hundred seventy-two million, two hundred seventy-eight thousand, eight hundred sixty-seven".