258780068 has 12 divisors (see below), whose sum is σ = 454538112. Its totient is φ = 128912040.

The previous prime is 258780059. The next prime is 258780089. The reversal of 258780068 is 860087852.

258780068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118280 + ... + 120447.

It is an arithmetic number, because the mean of its divisors is an integer number (37878176).

Almost surely, 2^258780068 is an apocalyptic number.

It is an amenable number.

258780068 is a deficient number, since it is larger than the sum of its proper divisors (195758044).

258780068 is a wasteful number, since it uses less digits than its factorization.

258780068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239002 (or 239000 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 258780068 is about 16086.6425334810. The cubic root of 258780068 is about 637.2506310594.

The spelling of 258780068 in words is "two hundred fifty-eight million, seven hundred eighty thousand, sixty-eight".