230258779 has 2 divisors, whose sum is σ = 230258780. Its totient is φ = 230258778.

The previous prime is 230258771. The next prime is 230258801. The reversal of 230258779 is 977852032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230258779 - 2³ = 230258771 is a prime.

It is not a weakly prime, because it can be changed into another prime (230258771) 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, 115129389 + 115129390.

It is an arithmetic number, because the mean of its divisors is an integer number (115129390).

Almost surely, 2^230258779 is an apocalyptic number.

230258779 is a deficient number, since it is larger than the sum of its proper divisors (1).

230258779 is an equidigital number, since it uses as much as digits as its factorization.

230258779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 230258779 is about 15174.2801806214. The cubic root of 230258779 is about 612.9222668611.

The spelling of 230258779 in words is "two hundred thirty million, two hundred fifty-eight thousand, seven hundred seventy-nine".