258873794 has 8 divisors (see below), whose sum is σ = 392314188. Its totient is φ = 128102400.

The previous prime is 258873761. The next prime is 258873799. The reversal of 258873794 is 497378852.

It can be written as a sum of positive squares in 2 ways, for example, as 252396769 + 6477025 = 15887^2 + 2545^2 .

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

It is not an unprimeable number, because it can be changed into a prime (258873799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667007 + ... + 667394.

Almost surely, 2^258873794 is an apocalyptic number.

258873794 is a deficient number, since it is larger than the sum of its proper divisors (133440394).

258873794 is a wasteful number, since it uses less digits than its factorization.

258873794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334500.

The product of its digits is 3386880, while the sum is 53.

The square root of 258873794 is about 16089.5554320186. Note that the first 3 decimals coincide. The cubic root of 258873794 is about 637.3275557672.

The spelling of 258873794 in words is "two hundred fifty-eight million, eight hundred seventy-three thousand, seven hundred ninety-four".