63863285 has 8 divisors (see below), whose sum is σ = 77497560. Its totient is φ = 50516224.

The previous prime is 63863273. The next prime is 63863287. The reversal of 63863285 is 58236836.

It can be written as a sum of positive squares in 4 ways, for example, as 1168561 + 62694724 = 1081^2 + 7918^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 63863285 - 2⁸ = 63863029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63863287) 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, 71312 + ... + 72201.

It is an arithmetic number, because the mean of its divisors is an integer number (9687195).

Almost surely, 2^63863285 is an apocalyptic number.

It is an amenable number.

63863285 is a deficient number, since it is larger than the sum of its proper divisors (13634275).

63863285 is a wasteful number, since it uses less digits than its factorization.

63863285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143607.

The product of its digits is 207360, while the sum is 41.

The square root of 63863285 is about 7991.4507443893. The cubic root of 63863285 is about 399.7149740321.

The spelling of 63863285 in words is "sixty-three million, eight hundred sixty-three thousand, two hundred eighty-five".