258244879684 has 27 divisors (see below), whose sum is σ = 496769404831. Its totient is φ = 117378954440.

The previous prime is 258244879657. The next prime is 258244879693. The reversal of 258244879684 is 486978442852.

The square root of 258244879684 is 508178.

It is a perfect power (a square), and thus also a powerful number.

258244879684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11168367 + ... + 11191465.

Almost surely, 2^258244879684 is an apocalyptic number.

258244879684 is the 508178-th square number.

It is an amenable number.

258244879684 is a deficient number, since it is larger than the sum of its proper divisors (238524525147).

258244879684 is an frugal number, since it uses more digits than its factorization.

258244879684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46224 (or 23112 counting only the distinct ones).

The product of its digits is 247726080, while the sum is 67.

The spelling of 258244879684 in words is "two hundred fifty-eight billion, two hundred forty-four million, eight hundred seventy-nine thousand, six hundred eighty-four".