258878167 has 2 divisors, whose sum is σ = 258878168. Its totient is φ = 258878166.

The previous prime is 258878149. The next prime is 258878171. The reversal of 258878167 is 761878852.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258878167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258878177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129439083 + 129439084.

It is an arithmetic number, because the mean of its divisors is an integer number (129439084).

Almost surely, 2^258878167 is an apocalyptic number.

258878167 is a deficient number, since it is larger than the sum of its proper divisors (1).

258878167 is an equidigital number, since it uses as much as digits as its factorization.

258878167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1505280, while the sum is 52.

The square root of 258878167 is about 16089.6913270578. The cubic root of 258878167 is about 637.3311444113.

The spelling of 258878167 in words is "two hundred fifty-eight million, eight hundred seventy-eight thousand, one hundred sixty-seven".