9999990107 has 2 divisors, whose sum is σ = 9999990108. Its totient is φ = 9999990106.

The previous prime is 9999990097. The next prime is 9999990113. The reversal of 9999990107 is 7010999999.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9999990107 - 2⁸ = 9999989851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9999990107.

It is not a weakly prime, because it can be changed into another prime (9999990197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999995053 + 4999995054.

It is an arithmetic number, because the mean of its divisors is an integer number (4999995054).

Almost surely, 2^9999990107 is an apocalyptic number.

9999990107 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999990107 is an equidigital number, since it uses as much as digits as its factorization.

9999990107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3720087, while the sum is 62.

The square root of 9999990107 is about 99999.9505349878. The cubic root of 9999990107 is about 2154.4339795709.

The spelling of 9999990107 in words is "nine billion, nine hundred ninety-nine million, nine hundred ninety thousand, one hundred seven".