8229573971928 has 48 divisors (see below), whose sum is σ = 23599513599480. Its totient is φ = 2581827128064.

The previous prime is 8229573971923. The next prime is 8229573971953. The reversal of 8229573971928 is 8291793759228.

8229573971928 is a `hidden beast` number, since 8 + 2 + 29 + 573 + 9 + 7 + 1 + 9 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8229573971921) 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, 3361752850 + ... + 3361755297.

Almost surely, 2^{8229573971928} is an apocalyptic number.

It is an amenable number.

8229573971928 is an abundant number, since it is smaller than the sum of its proper divisors (15369939627552).

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

8229573971928 is a wasteful number, since it uses less digits than its factorization.

8229573971928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723508176 (or 6723508169 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 72.

The spelling of 8229573971928 in words is "eight trillion, two hundred twenty-nine billion, five hundred seventy-three million, nine hundred seventy-one thousand, nine hundred twenty-eight".