63868802 has 8 divisors (see below), whose sum is σ = 95863116. Its totient is φ = 31914432.

The previous prime is 63868801. The next prime is 63868807. The reversal of 63868802 is 20886836.

It can be written as a sum of positive squares in 2 ways, for example, as 51681721 + 12187081 = 7189^2 + 3491^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 63868802.

It is not an unprimeable number, because it can be changed into a prime (63868801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5603 + ... + 12614.

Almost surely, 2^63868802 is an apocalyptic number.

63868802 is a deficient number, since it is larger than the sum of its proper divisors (31994314).

63868802 is a wasteful number, since it uses less digits than its factorization.

63868802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19972.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 63868802 is about 7991.7959183152. The cubic root of 63868802 is about 399.7264838482.

The spelling of 63868802 in words is "sixty-three million, eight hundred sixty-eight thousand, eight hundred two".