258838927 has 2 divisors, whose sum is σ = 258838928. Its totient is φ = 258838926.

The previous prime is 258838913. The next prime is 258838963. The reversal of 258838927 is 729838852.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258838927 is a prime.

It is a super-2 number, since 2×258838927² = 133995180261022658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258838907) 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 as a sum of consecutive naturals, namely, 129419463 + 129419464.

It is an arithmetic number, because the mean of its divisors is an integer number (129419464).

Almost surely, 2^258838927 is an apocalyptic number.

258838927 is a deficient number, since it is larger than the sum of its proper divisors (1).

258838927 is an equidigital number, since it uses as much as digits as its factorization.

258838927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The square root of 258838927 is about 16088.4718665260. The cubic root of 258838927 is about 637.2989411834.

The spelling of 258838927 in words is "two hundred fifty-eight million, eight hundred thirty-eight thousand, nine hundred twenty-seven".