8280726064 has 40 divisors (see below), whose sum is σ = 18029283552. Its totient is φ = 3655703040.

The previous prime is 8280726037. The next prime is 8280726121. The reversal of 8280726064 is 4606270828.

It is a self number, because there is not a number n which added to its sum of digits gives 8280726064.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860677 + ... + 870244.

Almost surely, 2^8280726064 is an apocalyptic number.

It is an amenable number.

8280726064 is an abundant number, since it is smaller than the sum of its proper divisors (9748557488).

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

8280726064 is a wasteful number, since it uses less digits than its factorization.

8280726064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730965 (or 1730959 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 8280726064 is about 90998.4948446951. The cubic root of 8280726064 is about 2023.1254156487.

The spelling of 8280726064 in words is "eight billion, two hundred eighty million, seven hundred twenty-six thousand, sixty-four".