63984612108 has 24 divisors (see below), whose sum is σ = 149304682800. Its totient is φ = 21327167680.

The previous prime is 63984612101. The next prime is 63984612119. The reversal of 63984612108 is 80121648936.

It is a super-2 number, since 2×63984612108² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (63984612101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152218 + ... + 388766.

It is an arithmetic number, because the mean of its divisors is an integer number (6221028450).

Almost surely, 2^63984612108 is an apocalyptic number.

It is an amenable number.

63984612108 is an abundant number, since it is smaller than the sum of its proper divisors (85320070692).

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

63984612108 is a wasteful number, since it uses less digits than its factorization.

63984612108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259097 (or 259095 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 63984612108 in words is "sixty-three billion, nine hundred eighty-four million, six hundred twelve thousand, one hundred eight".