99008887 has 2 divisors, whose sum is σ = 99008888. Its totient is φ = 99008886.

The previous prime is 99008869. The next prime is 99008909. The reversal of 99008887 is 78880099.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99008887 - 2⁷ = 99008759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99008887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99008587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49504443 + 49504444.

It is an arithmetic number, because the mean of its divisors is an integer number (49504444).

Almost surely, 2^99008887 is an apocalyptic number.

99008887 is a deficient number, since it is larger than the sum of its proper divisors (1).

99008887 is an equidigital number, since it uses as much as digits as its factorization.

99008887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 49.

The square root of 99008887 is about 9950.3209495976. The cubic root of 99008887 is about 462.6203428744.

The spelling of 99008887 in words is "ninety-nine million, eight thousand, eight hundred eighty-seven".