99500887 has 2 divisors, whose sum is σ = 99500888. Its totient is φ = 99500886.

The previous prime is 99500879. The next prime is 99500903. The reversal of 99500887 is 78800599.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99500887 - 2³ = 99500879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99500867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49750443 + 49750444.

It is an arithmetic number, because the mean of its divisors is an integer number (49750444).

Almost surely, 2^99500887 is an apocalyptic number.

99500887 is a deficient number, since it is larger than the sum of its proper divisors (1).

99500887 is an equidigital number, since it uses as much as digits as its factorization.

99500887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 99500887 is about 9975.0131328234. The cubic root of 99500887 is about 463.3853692514.

The spelling of 99500887 in words is "ninety-nine million, five hundred thousand, eight hundred eighty-seven".