8253964728 has 48 divisors (see below), whose sum is σ = 22359219480. Its totient is φ = 2750739264.

The previous prime is 8253964727. The next prime is 8253964751. The reversal of 8253964728 is 8274693528.

8253964728 is a `hidden beast` number, since 82 + 5 + 3 + 96 + 472 + 8 = 666.

It is a super-2 number, since 2×8253964728² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8253964727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453826 + ... + 471662.

Almost surely, 2^8253964728 is an apocalyptic number.

It is an amenable number.

8253964728 is an abundant number, since it is smaller than the sum of its proper divisors (14105254752).

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

8253964728 is a wasteful number, since it uses less digits than its factorization.

8253964728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24276 (or 24269 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 8253964728 is about 90851.3331107475. Note that the first 3 decimals coincide. The cubic root of 8253964728 is about 2020.9436436748.

The spelling of 8253964728 in words is "eight billion, two hundred fifty-three million, nine hundred sixty-four thousand, seven hundred twenty-eight".