258878424 has 64 divisors (see below), whose sum is σ = 741427200. Its totient is φ = 73787904.

The previous prime is 258878423. The next prime is 258878437. The reversal of 258878424 is 424878852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258878423) 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 15 ways as a sum of consecutive naturals, for example, 78864 + ... + 82080.

It is an arithmetic number, because the mean of its divisors is an integer number (11584800).

Almost surely, 2^258878424 is an apocalyptic number.

258878424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258878424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370713600).

258878424 is an abundant number, since it is smaller than the sum of its proper divisors (482548776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258878424 is a wasteful number, since it uses less digits than its factorization.

258878424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712 (or 3708 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 48.

The square root of 258878424 is about 16089.6993135360. The cubic root of 258878424 is about 637.3313553137.

The spelling of 258878424 in words is "two hundred fifty-eight million, eight hundred seventy-eight thousand, four hundred twenty-four".