8500099 has 2 divisors, whose sum is σ = 8500100. Its totient is φ = 8500098.

The previous prime is 8500081. The next prime is 8500109. The reversal of 8500099 is 9900058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8500099 - 2⁵ = 8500067 is a prime.

8500099 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8500099.

It is not a weakly prime, because it can be changed into another prime (8500069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4250049 + 4250050.

It is an arithmetic number, because the mean of its divisors is an integer number (4250050).

Almost surely, 2^8500099 is an apocalyptic number.

8500099 is a deficient number, since it is larger than the sum of its proper divisors (1).

8500099 is an equidigital number, since it uses as much as digits as its factorization.

8500099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 8500099 is about 2915.4929257331. The cubic root of 8500099 is about 204.0835474141.

The spelling of 8500099 in words is "eight million, five hundred thousand, ninety-nine".