7883391768 has 64 divisors (see below), whose sum is σ = 23073361920. Its totient is φ = 2197459200.

The previous prime is 7883391767. The next prime is 7883391779. The reversal of 7883391768 is 8671933887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7883391767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565368 + ... + 579143.

It is an arithmetic number, because the mean of its divisors is an integer number (360521280).

Almost surely, 2^7883391768 is an apocalyptic number.

It is an amenable number.

7883391768 is an abundant number, since it is smaller than the sum of its proper divisors (15189970152).

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

7883391768 is a wasteful number, since it uses less digits than its factorization.

7883391768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144568 (or 1144564 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 60.

The square root of 7883391768 is about 88788.4664131553. The cubic root of 7883391768 is about 1990.2350477816.

The spelling of 7883391768 in words is "seven billion, eight hundred eighty-three million, three hundred ninety-one thousand, seven hundred sixty-eight".