257828000575 has 12 divisors (see below), whose sum is σ = 338512998960. Its totient is φ = 194129317760.

The previous prime is 257828000567. The next prime is 257828000593. The reversal of 257828000575 is 575000828752.

It is not a de Polignac number, because 257828000575 - 2³ = 257828000567 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303326635 + ... + 303327484.

It is an arithmetic number, because the mean of its divisors is an integer number (28209416580).

Almost surely, 2^257828000575 is an apocalyptic number.

257828000575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

257828000575 is a deficient number, since it is larger than the sum of its proper divisors (80684998385).

257828000575 is a wasteful number, since it uses less digits than its factorization.

257828000575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606654146 (or 606654141 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 49.

The spelling of 257828000575 in words is "two hundred fifty-seven billion, eight hundred twenty-eight million, five hundred seventy-five", and thus it is an aban number.