99516787 has 2 divisors, whose sum is σ = 99516788. Its totient is φ = 99516786.

The previous prime is 99516743. The next prime is 99516797. The reversal of 99516787 is 78761599.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99516787 is a prime.

It is not a weakly prime, because it can be changed into another prime (99516707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49758393 + 49758394.

It is an arithmetic number, because the mean of its divisors is an integer number (49758394).

Almost surely, 2^99516787 is an apocalyptic number.

99516787 is a deficient number, since it is larger than the sum of its proper divisors (1).

99516787 is an equidigital number, since it uses as much as digits as its factorization.

99516787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 52.

The square root of 99516787 is about 9975.8100924186. The cubic root of 99516787 is about 463.4100505555.

The spelling of 99516787 in words is "ninety-nine million, five hundred sixteen thousand, seven hundred eighty-seven".