258805385863 has 8 divisors (see below), whose sum is σ = 272731635936. Its totient is φ = 245101956000.

The previous prime is 258805385801. The next prime is 258805385899. The reversal of 258805385863 is 368583508852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 258805385863 - 2¹⁷ = 258805254791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258805385263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55702668 + ... + 55707313.

It is an arithmetic number, because the mean of its divisors is an integer number (34091454492).

Almost surely, 2^258805385863 is an apocalyptic number.

258805385863 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

258805385863 is a deficient number, since it is larger than the sum of its proper divisors (13926250073).

258805385863 is a wasteful number, since it uses less digits than its factorization.

258805385863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111410105.

The product of its (nonzero) digits is 55296000, while the sum is 61.

The spelling of 258805385863 in words is "two hundred fifty-eight billion, eight hundred five million, three hundred eighty-five thousand, eight hundred sixty-three".