258678830 has 16 divisors (see below), whose sum is σ = 465806160. Its totient is φ = 103430592.

The previous prime is 258678779. The next prime is 258678853. The reversal of 258678830 is 38876852.

258678830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 42626 + ... + 48314.

It is an arithmetic number, because the mean of its divisors is an integer number (29112885).

Almost surely, 2^258678830 is an apocalyptic number.

258678830 is a deficient number, since it is larger than the sum of its proper divisors (207127330).

258678830 is a wasteful number, since it uses less digits than its factorization.

258678830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10243.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 258678830 is about 16083.4955777654. The cubic root of 258678830 is about 637.1675200808.

The spelling of 258678830 in words is "two hundred fifty-eight million, six hundred seventy-eight thousand, eight hundred thirty".