8274445636 has 12 divisors (see below), whose sum is σ = 14483286720. Its totient is φ = 4136363720.

The previous prime is 8274445601. The next prime is 8274445639. The reversal of 8274445636 is 6365444728.

It is a self number, because there is not a number n which added to its sum of digits gives 8274445636.

It is not an unprimeable number, because it can be changed into a prime (8274445639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192856 + ... + 231823.

It is an arithmetic number, because the mean of its divisors is an integer number (1206940560).

Almost surely, 2^8274445636 is an apocalyptic number.

It is an amenable number.

8274445636 is a deficient number, since it is larger than the sum of its proper divisors (6208841084).

8274445636 is a wasteful number, since it uses less digits than its factorization.

8274445636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429554 (or 429552 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 49.

The square root of 8274445636 is about 90963.9798821490. The cubic root of 8274445636 is about 2022.6138136857.

The spelling of 8274445636 in words is "eight billion, two hundred seventy-four million, four hundred forty-five thousand, six hundred thirty-six".