258068608 has 32 divisors (see below), whose sum is σ = 587568960. Its totient is φ = 110600448.

The previous prime is 258068563. The next prime is 258068623. The reversal of 258068608 is 806860852.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143116 + ... + 144907.

It is an arithmetic number, because the mean of its divisors is an integer number (18361530).

Almost surely, 2^258068608 is an apocalyptic number.

258068608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

258068608 is an abundant number, since it is smaller than the sum of its proper divisors (329500352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258068608 is an equidigital number, since it uses as much as digits as its factorization.

258068608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288044 (or 288032 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 258068608 is about 16064.5139360019. The cubic root of 258068608 is about 636.6661006485. Note that the first 3 decimals are identical.

The spelling of 258068608 in words is "two hundred fifty-eight million, sixty-eight thousand, six hundred eight".