8620990099 has 18 divisors (see below), whose sum is σ = 9191882556. Its totient is φ = 8084367000.

The previous prime is 8620990097. The next prime is 8620990129. The reversal of 8620990099 is 9900990268.

8620990099 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8620990099 - 2¹ = 8620990097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8620990093) 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 17 ways as a sum of consecutive naturals, for example, 3828724 + ... + 3830974.

It is an arithmetic number, because the mean of its divisors is an integer number (510660142).

Almost surely, 2^8620990099 is an apocalyptic number.

8620990099 is a deficient number, since it is larger than the sum of its proper divisors (570892457).

8620990099 is a wasteful number, since it uses less digits than its factorization.

8620990099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495 (or 2373 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 52.

The square root of 8620990099 is about 92849.2870139561. The cubic root of 8620990099 is about 2050.4651016089.

The spelling of 8620990099 in words is "eight billion, six hundred twenty million, nine hundred ninety thousand, ninety-nine".