8121674424 has 32 divisors (see below), whose sum is σ = 20501320320. Its totient is φ = 2680940256.

The previous prime is 8121674423. The next prime is 8121674437. The reversal of 8121674424 is 4244761218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8121674423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640262 + ... + 1645205.

It is an arithmetic number, because the mean of its divisors is an integer number (640666260).

Almost surely, 2^8121674424 is an apocalyptic number.

It is an amenable number.

8121674424 is an abundant number, since it is smaller than the sum of its proper divisors (12379645896).

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

8121674424 is a wasteful number, since it uses less digits than its factorization.

8121674424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285579 (or 3285575 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 8121674424 is about 90120.3330220212. Note that the first 3 decimals coincide. The cubic root of 8121674424 is about 2010.0885602424.

The spelling of 8121674424 in words is "eight billion, one hundred twenty-one million, six hundred seventy-four thousand, four hundred twenty-four".