8999416386 has 40 divisors (see below), whose sum is σ = 21226700880. Its totient is φ = 2841919992.

The previous prime is 8999416381. The next prime is 8999416399. The reversal of 8999416386 is 6836149998.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8999416381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1458816 + ... + 1464971.

It is an arithmetic number, because the mean of its divisors is an integer number (530667522).

Almost surely, 2^8999416386 is an apocalyptic number.

8999416386 is an abundant number, since it is smaller than the sum of its proper divisors (12227284494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8999416386 is a wasteful number, since it uses less digits than its factorization.

8999416386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923820 (or 2923811 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The square root of 8999416386 is about 94865.2538393273. The cubic root of 8999416386 is about 2080.0388603748.

The spelling of 8999416386 in words is "eight billion, nine hundred ninety-nine million, four hundred sixteen thousand, three hundred eighty-six".