65864755 has 16 divisors (see below), whose sum is σ = 89973504. Its totient is φ = 45818080.

The previous prime is 65864741. The next prime is 65864759. The reversal of 65864755 is 55746856.

65864755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65864755 - 2⁵ = 65864723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65864759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24769 + ... + 27298.

It is an arithmetic number, because the mean of its divisors is an integer number (5623344).

Almost surely, 2^65864755 is an apocalyptic number.

65864755 is a deficient number, since it is larger than the sum of its proper divisors (24108749).

65864755 is a wasteful number, since it uses less digits than its factorization.

65864755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52106.

The product of its digits is 1008000, while the sum is 46.

The square root of 65864755 is about 8115.7103817226. The cubic root of 65864755 is about 403.8477741525.

The spelling of 65864755 in words is "sixty-five million, eight hundred sixty-four thousand, seven hundred fifty-five".