63322247772 has 96 divisors (see below), whose sum is σ = 187740439040. Its totient is φ = 18080599680.

The previous prime is 63322247753. The next prime is 63322247773. The reversal of 63322247772 is 27774222336.

63322247772 is a `hidden beast` number, since 6 + 332 + 2 + 247 + 7 + 72 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63322247773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1204272 + ... + 1255752.

Almost surely, 2^63322247772 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 63322247772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93870219520).

63322247772 is an abundant number, since it is smaller than the sum of its proper divisors (124418191268).

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

63322247772 is a wasteful number, since it uses less digits than its factorization.

63322247772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53128 (or 53120 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 45.

The spelling of 63322247772 in words is "sixty-three billion, three hundred twenty-two million, two hundred forty-seven thousand, seven hundred seventy-two".