8847721064722 has 16 divisors (see below), whose sum is σ = 13790788381440. Its totient is φ = 4252159738512.

The previous prime is 8847721064701. The next prime is 8847721064729. The reversal of 8847721064722 is 2274601277488.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is not an unprimeable number, because it can be changed into a prime (8847721064729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342020508 + ... + 342046375.

It is an arithmetic number, because the mean of its divisors is an integer number (861924273840).

Almost surely, 2^{8847721064722} is an apocalyptic number.

8847721064722 is a deficient number, since it is larger than the sum of its proper divisors (4943067316718).

8847721064722 is a wasteful number, since it uses less digits than its factorization.

8847721064722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684067137.

The product of its (nonzero) digits is 16859136, while the sum is 58.

The spelling of 8847721064722 in words is "eight trillion, eight hundred forty-seven billion, seven hundred twenty-one million, sixty-four thousand, seven hundred twenty-two".