8280814520 has 64 divisors (see below), whose sum is σ = 20335017600. Its totient is φ = 3009815680.

The previous prime is 8280814513. The next prime is 8280814537. The reversal of 8280814520 is 254180828.

It is a super-2 number, since 2×8280814520² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1818887 + ... + 1823433.

It is an arithmetic number, because the mean of its divisors is an integer number (317734650).

Almost surely, 2^8280814520 is an apocalyptic number.

It is an amenable number.

8280814520 is an abundant number, since it is smaller than the sum of its proper divisors (12054203080).

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

8280814520 is a wasteful number, since it uses less digits than its factorization.

8280814520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8708 (or 8704 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 8280814520 is about 90998.9808734142. The cubic root of 8280814520 is about 2023.1326194029.

The spelling of 8280814520 in words is "eight billion, two hundred eighty million, eight hundred fourteen thousand, five hundred twenty".