99999999907 has 2 divisors, whose sum is σ = 99999999908. Its totient is φ = 99999999906.

The previous prime is 99999999871. The next prime is 99999999943. The reversal of 99999999907 is 70999999999.

It is a balanced prime because it is at equal distance from previous prime (99999999871) and next prime (99999999943).

It is an emirp because it is prime and its reverse (70999999999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99999999907 - 2¹¹ = 99999997859 is a prime.

It is not a weakly prime, because it can be changed into another prime (99999999947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49999999953 + 49999999954.

It is an arithmetic number, because the mean of its divisors is an integer number (49999999954).

Almost surely, 2^99999999907 is an apocalyptic number.

99999999907 is a deficient number, since it is larger than the sum of its proper divisors (1).

99999999907 is an equidigital number, since it uses as much as digits as its factorization.

99999999907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2711943423, while the sum is 88.

The spelling of 99999999907 in words is "ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred seven".