8272772728 has 32 divisors (see below), whose sum is σ = 16936121520. Its totient is φ = 3757120000.

The previous prime is 8272772707. The next prime is 8272772773.

8272772728 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 64128 + ... + 143728.

Almost surely, 2^8272772728 is an apocalyptic number.

8272772728 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8272772728 is an abundant number, since it is smaller than the sum of its proper divisors (8663348792).

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

8272772728 is a wasteful number, since it uses less digits than its factorization.

8272772728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80799 (or 80795 counting only the distinct ones).

The product of its digits is 2458624, while the sum is 52.

The square root of 8272772728 is about 90954.7839753358. The cubic root of 8272772728 is about 2022.4774953937.

The spelling of 8272772728 in words is "eight billion, two hundred seventy-two million, seven hundred seventy-two thousand, seven hundred twenty-eight".