63886386 has 8 divisors (see below), whose sum is σ = 127772784. Its totient is φ = 21295460.

The previous prime is 63886349. The next prime is 63886397. The reversal of 63886386 is 68368836.

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

63886386 is an admirable number.

It is a super-2 number, since 2×63886386² = 8162940632281992, which contains 22 as substring.

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, 5323860 + ... + 5323871.

It is an arithmetic number, because the mean of its divisors is an integer number (15971598).

Almost surely, 2^63886386 is an apocalyptic number.

63886386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63886386 is a wasteful number, since it uses less digits than its factorization.

63886386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10647736.

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

The square root of 63886386 is about 7992.8959707981. The cubic root of 63886386 is about 399.7631639661.

The spelling of 63886386 in words is "sixty-three million, eight hundred eighty-six thousand, three hundred eighty-six".