258768873 has 24 divisors (see below), whose sum is σ = 420915456. Its totient is φ = 151768800.

The previous prime is 258768859. The next prime is 258768889. The reversal of 258768873 is 378867852.

It is not a de Polignac number, because 258768873 - 2⁵ = 258768841 is a prime.

It is a super-2 number, since 2×258768873² = 133922659267380258, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (258768823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39090 + ... + 45227.

It is an arithmetic number, because the mean of its divisors is an integer number (17538144).

Almost surely, 2^258768873 is an apocalyptic number.

It is an amenable number.

258768873 is a deficient number, since it is larger than the sum of its proper divisors (162146583).

258768873 is a wasteful number, since it uses less digits than its factorization.

258768873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84365 (or 84362 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 258768873 is about 16086.2945702234. The cubic root of 258768873 is about 637.2414416297.

The spelling of 258768873 in words is "two hundred fifty-eight million, seven hundred sixty-eight thousand, eight hundred seventy-three".