63737872002 has 96 divisors (see below), whose sum is σ = 164970403200. Its totient is φ = 18188071776.

The previous prime is 63737871961. The next prime is 63737872007. The reversal of 63737872002 is 20027873736.

63737872002 is a `hidden beast` number, since 6 + 373 + 78 + 7 + 200 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (63737872007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2163024 + ... + 2192292.

It is an arithmetic number, because the mean of its divisors is an integer number (1718441700).

Almost surely, 2^63737872002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63737872002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82485201600).

63737872002 is an abundant number, since it is smaller than the sum of its proper divisors (101232531198).

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

63737872002 is a wasteful number, since it uses less digits than its factorization.

63737872002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30117 (or 30104 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 63737872002 in words is "sixty-three billion, seven hundred thirty-seven million, eight hundred seventy-two thousand, two".