258363863 has 8 divisors (see below), whose sum is σ = 263483808. Its totient is φ = 253286784.

The previous prime is 258363851. The next prime is 258363883. The reversal of 258363863 is 368363852.

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 258363863 - 2¹² = 258359767 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 (258363883) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1595 + ... + 22787.

It is an arithmetic number, because the mean of its divisors is an integer number (32935476).

Almost surely, 2^258363863 is an apocalyptic number.

258363863 is a deficient number, since it is larger than the sum of its proper divisors (5119945).

258363863 is a wasteful number, since it uses less digits than its factorization.

258363863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21433.

The product of its digits is 622080, while the sum is 44.

The square root of 258363863 is about 16073.7009739512. The cubic root of 258363863 is about 636.9088102752.

The spelling of 258363863 in words is "two hundred fifty-eight million, three hundred sixty-three thousand, eight hundred sixty-three".