63997614 has 20 divisors (see below), whose sum is σ = 143402424. Its totient is φ = 21332484.

The previous prime is 63997607. The next prime is 63997621. The reversal of 63997614 is 41679936.

63997614 is a `hidden beast` number, since 639 + 9 + 7 + 6 + 1 + 4 = 666.

63997614 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63997607) and next prime (63997621).

It is a self number, because there is not a number n which added to its sum of digits gives 63997614.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 197362 + ... + 197685.

Almost surely, 2^63997614 is an apocalyptic number.

63997614 is an abundant number, since it is smaller than the sum of its proper divisors (79404810).

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

63997614 is a wasteful number, since it uses less digits than its factorization.

63997614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395061 (or 395052 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 63997614 is about 7999.8508736101. The cubic root of 63997614 is about 399.9950291049.

The spelling of 63997614 in words is "sixty-three million, nine hundred ninety-seven thousand, six hundred fourteen".