8272555623 has 64 divisors (see below), whose sum is σ = 13430845440. Its totient is φ = 5009817600.

The previous prime is 8272555619. The next prime is 8272555633. The reversal of 8272555623 is 3265552728.

8272555623 is a `hidden beast` number, since 8 + 2 + 72 + 5 + 556 + 23 = 666.

It is not a de Polignac number, because 8272555623 - 2² = 8272555619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8272555633) 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 63 ways as a sum of consecutive naturals, for example, 9120336 + ... + 9121242.

It is an arithmetic number, because the mean of its divisors is an integer number (209856960).

Almost surely, 2^8272555623 is an apocalyptic number.

8272555623 is a deficient number, since it is larger than the sum of its proper divisors (5158289817).

8272555623 is a wasteful number, since it uses less digits than its factorization.

8272555623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605 (or 1599 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 8272555623 is about 90953.5904898757. The cubic root of 8272555623 is about 2022.4598030660.

The spelling of 8272555623 in words is "eight billion, two hundred seventy-two million, five hundred fifty-five thousand, six hundred twenty-three".