63982851 has 4 divisors (see below), whose sum is σ = 85310472. Its totient is φ = 42655232.

The previous prime is 63982847. The next prime is 63982873. The reversal of 63982851 is 15828936.

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

It is a cyclic number.

It is not a de Polignac number, because 63982851 - 2² = 63982847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63982801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10663806 + ... + 10663811.

It is an arithmetic number, because the mean of its divisors is an integer number (21327618).

Almost surely, 2^63982851 is an apocalyptic number.

63982851 is a deficient number, since it is larger than the sum of its proper divisors (21327621).

63982851 is a wasteful number, since it uses less digits than its factorization.

63982851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21327620.

The product of its digits is 103680, while the sum is 42.

The square root of 63982851 is about 7998.9281156915. The cubic root of 63982851 is about 399.9642697251.

The spelling of 63982851 in words is "sixty-three million, nine hundred eighty-two thousand, eight hundred fifty-one".