63868130 has 16 divisors (see below), whose sum is σ = 115172280. Its totient is φ = 25500672.

The previous prime is 63868117. The next prime is 63868151. The reversal of 63868130 is 3186836.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56355049 + 7513081 = 7507^2 + 2741^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236 + ... + 11304.

Almost surely, 2^63868130 is an apocalyptic number.

63868130 is a deficient number, since it is larger than the sum of its proper divisors (51304150).

63868130 is a wasteful number, since it uses less digits than its factorization.

63868130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11653.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 63868130 is about 7991.7538750890. The cubic root of 63868130 is about 399.7250819268.

The spelling of 63868130 in words is "sixty-three million, eight hundred sixty-eight thousand, one hundred thirty".