258878422 has 8 divisors (see below), whose sum is σ = 423619272. Its totient is φ = 117672000.

The previous prime is 258878377. The next prime is 258878423. The reversal of 258878422 is 224878852.

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

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5883579 + ... + 5883622.

It is an arithmetic number, because the mean of its divisors is an integer number (52952409).

Almost surely, 2^258878422 is an apocalyptic number.

258878422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

258878422 is a deficient number, since it is larger than the sum of its proper divisors (164740850).

258878422 is a wasteful number, since it uses less digits than its factorization.

258878422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11767214.

The product of its digits is 573440, while the sum is 46.

The square root of 258878422 is about 16089.6992513844. The cubic root of 258878422 is about 637.3313536724.

The spelling of 258878422 in words is "two hundred fifty-eight million, eight hundred seventy-eight thousand, four hundred twenty-two".