257827525275 has 24 divisors (see below), whose sum is σ = 430495397424. Its totient is φ = 136146544000.

The previous prime is 257827525261. The next prime is 257827525279. The reversal of 257827525275 is 572525728752.

It is not a de Polignac number, because 257827525275 - 2⁷ = 257827525147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (257827525279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17010744 + ... + 17025893.

It is an arithmetic number, because the mean of its divisors is an integer number (17937308226).

Almost surely, 2^257827525275 is an apocalyptic number.

257827525275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

257827525275 is a deficient number, since it is larger than the sum of its proper divisors (172667872149).

257827525275 is a wasteful number, since it uses less digits than its factorization.

257827525275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34036751 (or 34036746 counting only the distinct ones).

The product of its digits is 27440000, while the sum is 57.

The spelling of 257827525275 in words is "two hundred fifty-seven billion, eight hundred twenty-seven million, five hundred twenty-five thousand, two hundred seventy-five".