63447995118 has 16 divisors (see below), whose sum is σ = 127354101840. Its totient is φ = 21072979776.

The previous prime is 63447995101. The next prime is 63447995161. The reversal of 63447995118 is 81159974436.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19086183 + ... + 19089506.

It is an arithmetic number, because the mean of its divisors is an integer number (7959631365).

Almost surely, 2^63447995118 is an apocalyptic number.

63447995118 is an abundant number, since it is smaller than the sum of its proper divisors (63906106722).

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

63447995118 is a wasteful number, since it uses less digits than its factorization.

63447995118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38175971.

The product of its digits is 6531840, while the sum is 57.

The spelling of 63447995118 in words is "sixty-three billion, four hundred forty-seven million, nine hundred ninety-five thousand, one hundred eighteen".