8487220899 has 8 divisors (see below), whose sum is σ = 11316859920. Its totient is φ = 5657864576.

The previous prime is 8487220891. The next prime is 8487220901. The reversal of 8487220899 is 9980227848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8487220899 - 2³ = 8487220891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8487220891) 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, 13807 + ... + 131015.

It is an arithmetic number, because the mean of its divisors is an integer number (1414607490).

Almost surely, 2^8487220899 is an apocalyptic number.

8487220899 is a deficient number, since it is larger than the sum of its proper divisors (2829639021).

8487220899 is a wasteful number, since it uses less digits than its factorization.

8487220899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141349.

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 8487220899 is about 92126.1140990979. The cubic root of 8487220899 is about 2039.8042951917.

The spelling of 8487220899 in words is "eight billion, four hundred eighty-seven million, two hundred twenty thousand, eight hundred ninety-nine".