7744845822 has 96 divisors (see below), whose sum is σ = 19110981888. Its totient is φ = 2079108864.

The previous prime is 7744845781. The next prime is 7744845827. The reversal of 7744845822 is 2285484477.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7744845827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4432353 + ... + 4434099.

It is an arithmetic number, because the mean of its divisors is an integer number (199072728).

Almost surely, 2^7744845822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7744845822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9555490944).

7744845822 is an abundant number, since it is smaller than the sum of its proper divisors (11366136066).

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

7744845822 is a wasteful number, since it uses less digits than its factorization.

7744845822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670 (or 2663 counting only the distinct ones).

The product of its digits is 4014080, while the sum is 51.

The square root of 7744845822 is about 88004.8056755993. The cubic root of 7744845822 is about 1978.5070048007.

The spelling of 7744845822 in words is "seven billion, seven hundred forty-four million, eight hundred forty-five thousand, eight hundred twenty-two".