78842123168 has 48 divisors (see below), whose sum is σ = 156714155136. Its totient is φ = 39043449600.

The previous prime is 78842123159. The next prime is 78842123219. The reversal of 78842123168 is 86132124887.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428893 + ... + 1483043.

It is an arithmetic number, because the mean of its divisors is an integer number (3264878232).

Almost surely, 2^78842123168 is an apocalyptic number.

It is an amenable number.

78842123168 is a deficient number, since it is larger than the sum of its proper divisors (77872031968).

78842123168 is a wasteful number, since it uses less digits than its factorization.

78842123168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54597 (or 54589 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 50.

The spelling of 78842123168 in words is "seventy-eight billion, eight hundred forty-two million, one hundred twenty-three thousand, one hundred sixty-eight".