8280712485 has 32 divisors (see below), whose sum is σ = 14962613760. Its totient is φ = 4343976000.

The previous prime is 8280712483. The next prime is 8280712499. The reversal of 8280712485 is 5842170828.

It is a happy number.

8280712485 is a `hidden beast` number, since 82 + 80 + 7 + 12 + 485 = 666.

It is not a de Polignac number, because 8280712485 - 2¹ = 8280712483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8280712485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8280712483) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 494541 + ... + 511010.

It is an arithmetic number, because the mean of its divisors is an integer number (467581680).

Almost surely, 2^8280712485 is an apocalyptic number.

It is an amenable number.

8280712485 is a deficient number, since it is larger than the sum of its proper divisors (6681901275).

8280712485 is a wasteful number, since it uses less digits than its factorization.

8280712485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005626 (or 1005620 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 8280712485 is about 90998.4202335403. The cubic root of 8280712485 is about 2023.1243097861.

The spelling of 8280712485 in words is "eight billion, two hundred eighty million, seven hundred twelve thousand, four hundred eighty-five".