258687415843 has 16 divisors (see below), whose sum is σ = 262991460096. Its totient is φ = 254419250400.

The previous prime is 258687415841. The next prime is 258687415859. The reversal of 258687415843 is 348514786852.

It is a cyclic number.

It is not a de Polignac number, because 258687415843 - 2¹ = 258687415841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258687415841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46801546 + ... + 46807072.

It is an arithmetic number, because the mean of its divisors is an integer number (16436966256).

Almost surely, 2^258687415843 is an apocalyptic number.

258687415843 is a deficient number, since it is larger than the sum of its proper divisors (4304044253).

258687415843 is a wasteful number, since it uses less digits than its factorization.

258687415843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8634.

The product of its digits is 51609600, while the sum is 61.

The spelling of 258687415843 in words is "two hundred fifty-eight billion, six hundred eighty-seven million, four hundred fifteen thousand, eight hundred forty-three".