258793879 has 2 divisors, whose sum is σ = 258793880. Its totient is φ = 258793878.

The previous prime is 258793867. The next prime is 258793943. The reversal of 258793879 is 978397852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258793879 - 2¹¹ = 258791831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258793279) 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, 129396939 + 129396940.

It is an arithmetic number, because the mean of its divisors is an integer number (129396940).

Almost surely, 2^258793879 is an apocalyptic number.

258793879 is a deficient number, since it is larger than the sum of its proper divisors (1).

258793879 is an equidigital number, since it uses as much as digits as its factorization.

258793879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 58.

The square root of 258793879 is about 16087.0717969430. The cubic root of 258793879 is about 637.2619674707.

The spelling of 258793879 in words is "two hundred fifty-eight million, seven hundred ninety-three thousand, eight hundred seventy-nine".