99989107 has 2 divisors, whose sum is σ = 99989108. Its totient is φ = 99989106.

The previous prime is 99989101. The next prime is 99989117. The reversal of 99989107 is 70198999.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99989107 is a prime.

It is not a weakly prime, because it can be changed into another prime (99989101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49994553 + 49994554.

It is an arithmetic number, because the mean of its divisors is an integer number (49994554).

Almost surely, 2^99989107 is an apocalyptic number.

99989107 is a deficient number, since it is larger than the sum of its proper divisors (1).

99989107 is an equidigital number, since it uses as much as digits as its factorization.

99989107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 52.

The square root of 99989107 is about 9999.4553351670. The cubic root of 99989107 is about 464.1420291402.

The spelling of 99989107 in words is "ninety-nine million, nine hundred eighty-nine thousand, one hundred seven".