63801086 has 4 divisors (see below), whose sum is σ = 95701632. Its totient is φ = 31900542.

The previous prime is 63801019. The next prime is 63801161. The reversal of 63801086 is 68010836.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15950270 + ... + 15950273.

It is an arithmetic number, because the mean of its divisors is an integer number (23925408).

Almost surely, 2^63801086 is an apocalyptic number.

63801086 is a deficient number, since it is larger than the sum of its proper divisors (31900546).

63801086 is a wasteful number, since it uses less digits than its factorization.

63801086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31900545.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 63801086 is about 7987.5582001010. The cubic root of 63801086 is about 399.5851657634.

The spelling of 63801086 in words is "sixty-three million, eight hundred one thousand, eighty-six".