258585774023 has 4 divisors (see below), whose sum is σ = 258655722480. Its totient is φ = 258515825568.

The previous prime is 258585773969. The next prime is 258585774047. The reversal of 258585774023 is 320477585852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 258585774023 - 2¹⁶ = 258585708487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 258585774023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258585776023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34968683 + ... + 34976076.

It is an arithmetic number, because the mean of its divisors is an integer number (64663930620).

Almost surely, 2^258585774023 is an apocalyptic number.

258585774023 is a deficient number, since it is larger than the sum of its proper divisors (69948457).

258585774023 is an equidigital number, since it uses as much as digits as its factorization.

258585774023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69948456.

The product of its (nonzero) digits is 18816000, while the sum is 56.

The spelling of 258585774023 in words is "two hundred fifty-eight billion, five hundred eighty-five million, seven hundred seventy-four thousand, twenty-three".