8482728731 has 4 divisors (see below), whose sum is σ = 8981712792. Its totient is φ = 7983744672.

The previous prime is 8482728719. The next prime is 8482728769. The reversal of 8482728731 is 1378272848.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8482728731 is a prime.

It is a super-2 number, since 2×8482728731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8482728731.

It is not an unprimeable number, because it can be changed into a prime (8482728701) by changing a digit.

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, 249492005 + ... + 249492038.

It is an arithmetic number, because the mean of its divisors is an integer number (2245428198).

Almost surely, 2^8482728731 is an apocalyptic number.

8482728731 is a deficient number, since it is larger than the sum of its proper divisors (498984061).

8482728731 is a wasteful number, since it uses less digits than its factorization.

8482728731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498984060.

The product of its digits is 1204224, while the sum is 50.

The square root of 8482728731 is about 92101.7303366229. The cubic root of 8482728731 is about 2039.4443516638. Note that the first 3 decimals are identical.

The spelling of 8482728731 in words is "eight billion, four hundred eighty-two million, seven hundred twenty-eight thousand, seven hundred thirty-one".