8445653874 has 24 divisors (see below), whose sum is σ = 20913048000. Its totient is φ = 2413043928.

The previous prime is 8445653863. The next prime is 8445653891. The reversal of 8445653874 is 4783565448.

It is a happy number.

8445653874 is a `hidden beast` number, since 8 + 4 + 4 + 565 + 3 + 8 + 74 = 666.

It is a super-2 number, since 2×8445653874² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8445653874.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33514374 + ... + 33514625.

It is an arithmetic number, because the mean of its divisors is an integer number (871377000).

Almost surely, 2^8445653874 is an apocalyptic number.

8445653874 is an abundant number, since it is smaller than the sum of its proper divisors (12467394126).

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

8445653874 is a wasteful number, since it uses less digits than its factorization.

8445653874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67029014 (or 67029011 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 54.

The square root of 8445653874 is about 91900.2387048042. The cubic root of 8445653874 is about 2036.4687944723.

The spelling of 8445653874 in words is "eight billion, four hundred forty-five million, six hundred fifty-three thousand, eight hundred seventy-four".