987713099 has 2 divisors, whose sum is σ = 987713100. Its totient is φ = 987713098.

The previous prime is 987713071. The next prime is 987713123. The reversal of 987713099 is 990317789.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-987713099 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 987713099.

It is not a weakly prime, because it can be changed into another prime (987713029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493856549 + 493856550.

It is an arithmetic number, because the mean of its divisors is an integer number (493856550).

Almost surely, 2^987713099 is an apocalyptic number.

987713099 is a deficient number, since it is larger than the sum of its proper divisors (1).

987713099 is an equidigital number, since it uses as much as digits as its factorization.

987713099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304, while the sum is 53.

The square root of 987713099 is about 31427.9031912726. The cubic root of 987713099 is about 995.8874766700.

The spelling of 987713099 in words is "nine hundred eighty-seven million, seven hundred thirteen thousand, ninety-nine".