63517895085 has 16 divisors (see below), whose sum is σ = 101631954240. Its totient is φ = 33875103360.

The previous prime is 63517895081. The next prime is 63517895113. The reversal of 63517895085 is 58059871536.

It is a happy number.

It is not a de Polignac number, because 63517895085 - 2² = 63517895081 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63517895081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638226 + ... + 731004.

It is an arithmetic number, because the mean of its divisors is an integer number (6351997140).

Almost surely, 2^63517895085 is an apocalyptic number.

It is an amenable number.

63517895085 is a deficient number, since it is larger than the sum of its proper divisors (38114059155).

63517895085 is a wasteful number, since it uses less digits than its factorization.

63517895085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138428.

The product of its (nonzero) digits is 9072000, while the sum is 57.

The spelling of 63517895085 in words is "sixty-three billion, five hundred seventeen million, eight hundred ninety-five thousand, eighty-five".