8099858221 has 64 divisors (see below), whose sum is σ = 10479884800. Its totient is φ = 6218311680.

The previous prime is 8099858203. The next prime is 8099858231. The reversal of 8099858221 is 1228589908.

It is not a de Polignac number, because 8099858221 - 2⁹ = 8099857709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8099858201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26383750 + ... + 26384056.

It is an arithmetic number, because the mean of its divisors is an integer number (163748200).

Almost surely, 2^8099858221 is an apocalyptic number.

It is an amenable number.

8099858221 is a deficient number, since it is larger than the sum of its proper divisors (2380026579).

8099858221 is a wasteful number, since it uses less digits than its factorization.

8099858221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 8099858221 is about 89999.2123354421. The cubic root of 8099858221 is about 2008.2871327048.

The spelling of 8099858221 in words is "eight billion, ninety-nine million, eight hundred fifty-eight thousand, two hundred twenty-one".