8489957806 has 16 divisors (see below), whose sum is σ = 13900646448. Its totient is φ = 3856852800.

The previous prime is 8489957737. The next prime is 8489957807. The reversal of 8489957806 is 6087599848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8489957807) 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 7 ways as a sum of consecutive naturals, for example, 71505 + ... + 148636.

It is an arithmetic number, because the mean of its divisors is an integer number (868790403).

Almost surely, 2^8489957806 is an apocalyptic number.

8489957806 is a deficient number, since it is larger than the sum of its proper divisors (5410688642).

8489957806 is a wasteful number, since it uses less digits than its factorization.

8489957806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221907.

The product of its (nonzero) digits is 34836480, while the sum is 64.

The square root of 8489957806 is about 92140.9670342134. The cubic root of 8489957806 is about 2040.0235328248.

The spelling of 8489957806 in words is "eight billion, four hundred eighty-nine million, nine hundred fifty-seven thousand, eight hundred six".