63112774472 has 64 divisors (see below), whose sum is σ = 133611120000. Its totient is φ = 27684858880.

The previous prime is 63112774451. The next prime is 63112774477. The reversal of 63112774472 is 27447721136.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (63112774477) 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, 6653429 + ... + 6662907.

It is an arithmetic number, because the mean of its divisors is an integer number (2087673750).

Almost surely, 2^63112774472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63112774472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66805560000).

63112774472 is an abundant number, since it is smaller than the sum of its proper divisors (70498345528).

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

63112774472 is a wasteful number, since it uses less digits than its factorization.

63112774472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12134 (or 12130 counting only the distinct ones).

The product of its digits is 395136, while the sum is 44.

The spelling of 63112774472 in words is "sixty-three billion, one hundred twelve million, seven hundred seventy-four thousand, four hundred seventy-two".