63988837159203 has 48 divisors (see below), whose sum is σ = 106764850483200. Its totient is φ = 36498939344640.

The previous prime is 63988837159201. The next prime is 63988837159213. The reversal of 63988837159203 is 30295173888936.

It is a happy number.

63988837159203 is a `hidden beast` number, since 6 + 3 + 98 + 88 + 371 + 5 + 92 + 0 + 3 = 666.

It is not a de Polignac number, because 63988837159203 - 2¹ = 63988837159201 is a prime.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (63988837159201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68334318 + ... + 69264396.

It is an arithmetic number, because the mean of its divisors is an integer number (2224267718400).

Almost surely, 2^{63988837159203} is an apocalyptic number.

63988837159203 is a deficient number, since it is larger than the sum of its proper divisors (42776013323997).

63988837159203 is a wasteful number, since it uses less digits than its factorization.

63988837159203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970992 (or 970989 counting only the distinct ones).

The product of its (nonzero) digits is 470292480, while the sum is 72.

The spelling of 63988837159203 in words is "sixty-three trillion, nine hundred eighty-eight billion, eight hundred thirty-seven million, one hundred fifty-nine thousand, two hundred three".