63897630296 has 16 divisors (see below), whose sum is σ = 121772124240. Its totient is φ = 31425063840.

The previous prime is 63897630283. The next prime is 63897630299. The reversal of 63897630296 is 69203679836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63897630299) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 65468396 + ... + 65469371.

It is an arithmetic number, because the mean of its divisors is an integer number (7610757765).

Almost surely, 2^63897630296 is an apocalyptic number.

It is an amenable number.

63897630296 is a deficient number, since it is larger than the sum of its proper divisors (57874493944).

63897630296 is a wasteful number, since it uses less digits than its factorization.

63897630296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130937834 (or 130937830 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 63897630296 in words is "sixty-three billion, eight hundred ninety-seven million, six hundred thirty thousand, two hundred ninety-six".