63868683 has 8 divisors (see below), whose sum is σ = 85266496. Its totient is φ = 42525000.

The previous prime is 63868627. The next prime is 63868733. The reversal of 63868683 is 38686836.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63868683 - 2⁶ = 63868619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63860683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10693 + ... + 15558.

It is an arithmetic number, because the mean of its divisors is an integer number (10658312).

Almost surely, 2^63868683 is an apocalyptic number.

63868683 is a deficient number, since it is larger than the sum of its proper divisors (21397813).

63868683 is a wasteful number, since it uses less digits than its factorization.

63868683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27065.

The product of its digits is 995328, while the sum is 48.

The square root of 63868683 is about 7991.7884731767. The cubic root of 63868683 is about 399.7262355920.

The spelling of 63868683 in words is "sixty-three million, eight hundred sixty-eight thousand, six hundred eighty-three".