848661568722 has 24 divisors (see below), whose sum is σ = 2005927344720. Its totient is φ = 257170172280.

The previous prime is 848661568721. The next prime is 848661568751. The reversal of 848661568722 is 227865166848.

848661568722 is a `hidden beast` number, since 8 + 4 + 8 + 6 + 61 + 568 + 7 + 2 + 2 = 666.

848661568722 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 848661568722.

It is not an unprimeable number, because it can be changed into a prime (848661568721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2143084572 + ... + 2143084967.

It is an arithmetic number, because the mean of its divisors is an integer number (83580306030).

Almost surely, 2^848661568722 is an apocalyptic number.

848661568722 is an abundant number, since it is smaller than the sum of its proper divisors (1157265775998).

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

848661568722 is a wasteful number, since it uses less digits than its factorization.

848661568722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286169558 (or 4286169555 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The spelling of 848661568722 in words is "eight hundred forty-eight billion, six hundred sixty-one million, five hundred sixty-eight thousand, seven hundred twenty-two".