985716099 has 6 divisors (see below), whose sum is σ = 1423812156. Its totient is φ = 657144060.

The previous prime is 985716089. The next prime is 985716131. The reversal of 985716099 is 990617589.

985716099 is a `hidden beast` number, since 9 + 8 + 571 + 60 + 9 + 9 = 666.

It is not a de Polignac number, because 985716099 - 2⁷ = 985715971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (985716079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54761997 + ... + 54762014.

It is an arithmetic number, because the mean of its divisors is an integer number (237302026).

Almost surely, 2^985716099 is an apocalyptic number.

985716099 is a deficient number, since it is larger than the sum of its proper divisors (438096057).

985716099 is a wasteful number, since it uses less digits than its factorization.

985716099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109524017 (or 109524014 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The square root of 985716099 is about 31396.1159858986. The cubic root of 985716099 is about 995.2158480569.

The spelling of 985716099 in words is "nine hundred eighty-five million, seven hundred sixteen thousand, ninety-nine".