258269028057 has 12 divisors (see below), whose sum is σ = 373358329344. Its totient is φ = 172039475160.

The previous prime is 258269028007. The next prime is 258269028089. The reversal of 258269028057 is 750820962852.

It is a happy number.

258269028057 is a `hidden beast` number, since 2 + 58 + 269 + 0 + 280 + 57 = 666.

It is not a de Polignac number, because 258269028057 - 2²⁸ = 258000592601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 258269027994 and 258269028012.

It is not an unprimeable number, because it can be changed into a prime (258269028007) 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 in 11 ways as a sum of consecutive naturals, for example, 11644713 + ... + 11666870.

It is an arithmetic number, because the mean of its divisors is an integer number (31113194112).

Almost surely, 2^258269028057 is an apocalyptic number.

It is an amenable number.

258269028057 is a deficient number, since it is larger than the sum of its proper divisors (115089301287).

258269028057 is a wasteful number, since it uses less digits than its factorization.

258269028057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23312820 (or 23312817 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 258269028057 in words is "two hundred fifty-eight billion, two hundred sixty-nine million, twenty-eight thousand, fifty-seven".