63397208686 has 32 divisors (see below), whose sum is σ = 114489135360. Its totient is φ = 25720384896.

The previous prime is 63397208669. The next prime is 63397208723. The reversal of 63397208686 is 68680279336.

It is a self number, because there is not a number n which added to its sum of digits gives 63397208686.

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 in 15 ways as a sum of consecutive naturals, for example, 256486 + ... + 438838.

It is an arithmetic number, because the mean of its divisors is an integer number (3577785480).

Almost surely, 2^63397208686 is an apocalyptic number.

63397208686 is a deficient number, since it is larger than the sum of its proper divisors (51091926674).

63397208686 is a wasteful number, since it uses less digits than its factorization.

63397208686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183688.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 63397208686 in words is "sixty-three billion, three hundred ninety-seven million, two hundred eight thousand, six hundred eighty-six".