63860065 has 4 divisors (see below), whose sum is σ = 76632084. Its totient is φ = 51088048.

The previous prime is 63860053. The next prime is 63860077. The reversal of 63860065 is 56006836.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (63860053) and next prime (63860077).

It can be written as a sum of positive squares in 2 ways, for example, as 35141184 + 28718881 = 5928^2 + 5359^2 .

It is a cyclic number.

It is not a de Polignac number, because 63860065 - 2⁹ = 63859553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63860065.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6386002 + ... + 6386011.

It is an arithmetic number, because the mean of its divisors is an integer number (19158021).

Almost surely, 2^63860065 is an apocalyptic number.

It is an amenable number.

63860065 is a deficient number, since it is larger than the sum of its proper divisors (12772019).

63860065 is a wasteful number, since it uses less digits than its factorization.

63860065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12772018.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 63860065 is about 7991.2492765524. The cubic root of 63860065 is about 399.7082560154.

The spelling of 63860065 in words is "sixty-three million, eight hundred sixty thousand, sixty-five".