8276666728 has 16 divisors (see below), whose sum is σ = 16929545760. Its totient is φ = 3762121200.

The previous prime is 8276666701. The next prime is 8276666743.

8276666728 is nontrivially palindromic in base 10.

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 3 ways as a sum of consecutive naturals, for example, 47026428 + ... + 47026603.

It is an arithmetic number, because the mean of its divisors is an integer number (1058096610).

Almost surely, 2^8276666728 is an apocalyptic number.

8276666728 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8276666728 is an abundant number, since it is smaller than the sum of its proper divisors (8652879032).

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

8276666728 is a wasteful number, since it uses less digits than its factorization.

8276666728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94053048 (or 94053044 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 58.

The square root of 8276666728 is about 90976.1876976608. The cubic root of 8276666728 is about 2022.7947728160.

The spelling of 8276666728 in words is "eight billion, two hundred seventy-six million, six hundred sixty-six thousand, seven hundred twenty-eight".