258288086 has 16 divisors (see below), whose sum is σ = 445230240. Its totient is φ = 110082240.

The previous prime is 258288059. The next prime is 258288097. The reversal of 258288086 is 680882852.

It is a self number, because there is not a number n which added to its sum of digits gives 258288086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48431 + ... + 53498.

It is an arithmetic number, because the mean of its divisors is an integer number (27826890).

Almost surely, 2^258288086 is an apocalyptic number.

258288086 is a deficient number, since it is larger than the sum of its proper divisors (186942154).

258288086 is a wasteful number, since it uses less digits than its factorization.

258288086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102119.

The product of its (nonzero) digits is 491520, while the sum is 47.

The square root of 258288086 is about 16071.3436277120. The cubic root of 258288086 is about 636.8465366565.

The spelling of 258288086 in words is "two hundred fifty-eight million, two hundred eighty-eight thousand, eighty-six".