26485857 has 12 divisors (see below), whose sum is σ = 39921024. Its totient is φ = 16889400.

The previous prime is 26485819. The next prime is 26485861. The reversal of 26485857 is 75858462.

26485857 is a `hidden beast` number, since 2 + 64 + 8 + 585 + 7 = 666.

It is not a de Polignac number, because 26485857 - 2²² = 22291553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26485357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63769 + ... + 64182.

It is an arithmetic number, because the mean of its divisors is an integer number (3326752).

Almost surely, 2^26485857 is an apocalyptic number.

It is an amenable number.

26485857 is a deficient number, since it is larger than the sum of its proper divisors (13435167).

26485857 is a wasteful number, since it uses less digits than its factorization.

26485857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127980 (or 127977 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 26485857 is about 5146.4411975656. The cubic root of 26485857 is about 298.0835501356.

The spelling of 26485857 in words is "twenty-six million, four hundred eighty-five thousand, eight hundred fifty-seven".