257827068 has 18 divisors (see below), whose sum is σ = 651729624. Its totient is φ = 85942344.

The previous prime is 257827051. The next prime is 257827103. The reversal of 257827068 is 860728752.

257827068 is a `hidden beast` number, since 2 + 578 + 2 + 70 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3580896 + ... + 3580967.

Almost surely, 2^257827068 is an apocalyptic number.

It is an amenable number.

257827068 is an abundant number, since it is smaller than the sum of its proper divisors (393902556).

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

257827068 is a wasteful number, since it uses less digits than its factorization.

257827068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161873 (or 7161868 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 257827068 is about 16056.9943638279. The cubic root of 257827068 is about 636.4674088702.

It can be divided in two parts, 2578 and 27068, that added together give a triangular number (29646 = T₂₄₃).

The spelling of 257827068 in words is "two hundred fifty-seven million, eight hundred twenty-seven thousand, sixty-eight".