8178949312 has 14 divisors (see below), whose sum is σ = 16230102668. Its totient is φ = 4089474624.

The previous prime is 8178949301. The next prime is 8178949319. The reversal of 8178949312 is 2139498718.

It is a self number, because there is not a number n which added to its sum of digits gives 8178949312.

It is not an unprimeable number, because it can be changed into a prime (8178949319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63897978 + ... + 63898105.

Almost surely, 2^8178949312 is an apocalyptic number.

It is an amenable number.

8178949312 is a deficient number, since it is larger than the sum of its proper divisors (8051153356).

8178949312 is a wasteful number, since it uses less digits than its factorization.

8178949312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127796095 (or 127796085 counting only the distinct ones).

The product of its digits is 870912, while the sum is 52.

The square root of 8178949312 is about 90437.5437083516. The cubic root of 8178949312 is about 2014.8026136882.

The spelling of 8178949312 in words is "eight billion, one hundred seventy-eight million, nine hundred forty-nine thousand, three hundred twelve".