63987308367 has 8 divisors (see below), whose sum is σ = 85318482480. Its totient is φ = 42657169920.

The previous prime is 63987308339. The next prime is 63987308417. The reversal of 63987308367 is 76380378936.

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

It is not a de Polignac number, because 63987308367 - 2⁸ = 63987308111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63987308367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63987308317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100992 + ... + 371717.

It is an arithmetic number, because the mean of its divisors is an integer number (10664810310).

Almost surely, 2^63987308367 is an apocalyptic number.

63987308367 is a deficient number, since it is larger than the sum of its proper divisors (21331174113).

63987308367 is a wasteful number, since it uses less digits than its factorization.

63987308367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517833.

The product of its (nonzero) digits is 27433728, while the sum is 60.

The spelling of 63987308367 in words is "sixty-three billion, nine hundred eighty-seven million, three hundred eight thousand, three hundred sixty-seven".