65386856 has 16 divisors (see below), whose sum is σ = 123238500. Its totient is φ = 32523264.

The previous prime is 65386837. The next prime is 65386859. The reversal of 65386856 is 65868356.

It can be written as a sum of positive squares in 2 ways, for example, as 63520900 + 1865956 = 7970^2 + 1366^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65386856.

It is not an unprimeable number, because it can be changed into a prime (65386859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19631 + ... + 22718.

Almost surely, 2^65386856 is an apocalyptic number.

It is an amenable number.

65386856 is a deficient number, since it is larger than the sum of its proper divisors (57851644).

65386856 is a wasteful number, since it uses less digits than its factorization.

65386856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42548 (or 42544 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 47.

The square root of 65386856 is about 8086.2139472067. The cubic root of 65386856 is about 402.8686611110.

The spelling of 65386856 in words is "sixty-five million, three hundred eighty-six thousand, eight hundred fifty-six".