65826985 has 16 divisors (see below), whose sum is σ = 90784512. Its totient is φ = 44884800.

The previous prime is 65826977. The next prime is 65826997. The reversal of 65826985 is 58962856.

It is not a de Polignac number, because 65826985 - 2³ = 65826977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140 + ... + 11530.

It is an arithmetic number, because the mean of its divisors is an integer number (5674032).

Almost surely, 2^65826985 is an apocalyptic number.

It is an amenable number.

65826985 is a deficient number, since it is larger than the sum of its proper divisors (24957527).

65826985 is a wasteful number, since it uses less digits than its factorization.

65826985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10584.

The product of its digits is 1036800, while the sum is 49.

The square root of 65826985 is about 8113.3830798256. The cubic root of 65826985 is about 403.7705641837.

The spelling of 65826985 in words is "sixty-five million, eight hundred twenty-six thousand, nine hundred eighty-five".