8268987712 has 28 divisors (see below), whose sum is σ = 16577947540. Its totient is φ = 4091867136.

The previous prime is 8268987673. The next prime is 8268987733. The reversal of 8268987712 is 2177898628.

It can be written as a sum of positive squares in 2 ways, for example, as 2446687296 + 5822300416 = 49464^2 + 76304^2 .

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 3 ways as a sum of consecutive naturals, for example, 659787 + ... + 672202.

It is an arithmetic number, because the mean of its divisors is an integer number (592069555).

Almost surely, 2^8268987712 is an apocalyptic number.

It is an amenable number.

8268987712 is an abundant number, since it is smaller than the sum of its proper divisors (8308959828).

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

8268987712 is a wasteful number, since it uses less digits than its factorization.

8268987712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332098 (or 1332088 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 58.

The square root of 8268987712 is about 90933.9744649930. The cubic root of 8268987712 is about 2022.1690023930.

The spelling of 8268987712 in words is "eight billion, two hundred sixty-eight million, nine hundred eighty-seven thousand, seven hundred twelve".