9116893778 has 8 divisors (see below), whose sum is σ = 14269920768. Its totient is φ = 4360253524.

The previous prime is 9116893733. The next prime is 9116893787. The reversal of 9116893778 is 8773986119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×9116893778² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99096626 + ... + 99096717.

It is an arithmetic number, because the mean of its divisors is an integer number (1783740096).

Almost surely, 2^9116893778 is an apocalyptic number.

9116893778 is a deficient number, since it is larger than the sum of its proper divisors (5153026990).

9116893778 is a wasteful number, since it uses less digits than its factorization.

9116893778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198193368.

The product of its digits is 4572288, while the sum is 59.

The square root of 9116893778 is about 95482.4265401754. The cubic root of 9116893778 is about 2089.0506267137.

The spelling of 9116893778 in words is "nine billion, one hundred sixteen million, eight hundred ninety-three thousand, seven hundred seventy-eight".