258120767 has 2 divisors, whose sum is σ = 258120768. Its totient is φ = 258120766.

The previous prime is 258120721. The next prime is 258120799. The reversal of 258120767 is 767021852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258120767 - 2⁶ = 258120703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 258120767.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258110767) 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, 129060383 + 129060384.

It is an arithmetic number, because the mean of its divisors is an integer number (129060384).

Almost surely, 2^258120767 is an apocalyptic number.

258120767 is a deficient number, since it is larger than the sum of its proper divisors (1).

258120767 is an equidigital number, since it uses as much as digits as its factorization.

258120767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 258120767 is about 16066.1372768939. The cubic root of 258120767 is about 636.7089905741.

The spelling of 258120767 in words is "two hundred fifty-eight million, one hundred twenty thousand, seven hundred sixty-seven".