9168979795208 has 8 divisors (see below), whose sum is σ = 17191837116030. Its totient is φ = 4584489897600.

The previous prime is 9168979795139. The next prime is 9168979795243. The reversal of 9168979795208 is 8025979798619.

It can be written as a sum of positive squares in only one way, i.e., 5691955751524 + 3477024043684 = 2385782^2 + 1864678^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573061237193 + ... + 573061237208.

Almost surely, 2^{9168979795208} is an apocalyptic number.

It is an amenable number.

9168979795208 is a deficient number, since it is larger than the sum of its proper divisors (8022857320822).

9168979795208 is a wasteful number, since it uses less digits than its factorization.

9168979795208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146122474407 (or 1146122474403 counting only the distinct ones).

The product of its (nonzero) digits is 1234517760, while the sum is 80.

The spelling of 9168979795208 in words is "nine trillion, one hundred sixty-eight billion, nine hundred seventy-nine million, seven hundred ninety-five thousand, two hundred eight".