258261376768 has 18 divisors (see below), whose sum is σ = 515513920544. Its totient is φ = 129130688256.

The previous prime is 258261376757. The next prime is 258261376771. The reversal of 258261376768 is 867673162852.

258261376768 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504416496 + ... + 504417007.

Almost surely, 2^258261376768 is an apocalyptic number.

It is an amenable number.

258261376768 is a deficient number, since it is larger than the sum of its proper divisors (257252543776).

258261376768 is an equidigital number, since it uses as much as digits as its factorization.

258261376768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008833519 (or 1008833505 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 61.

The spelling of 258261376768 in words is "two hundred fifty-eight billion, two hundred sixty-one million, three hundred seventy-six thousand, seven hundred sixty-eight".