78614975208 has 128 divisors (see below), whose sum is σ = 247986385920. Its totient is φ = 20173416960.

The previous prime is 78614975203. The next prime is 78614975221. The reversal of 78614975208 is 80257941687.

It is not an unprimeable number, because it can be changed into a prime (78614975203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102885 + ... + 409652.

It is an arithmetic number, because the mean of its divisors is an integer number (1937393640).

Almost surely, 2^78614975208 is an apocalyptic number.

It is an amenable number.

78614975208 is an abundant number, since it is smaller than the sum of its proper divisors (169371410712).

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

78614975208 is a wasteful number, since it uses less digits than its factorization.

78614975208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512647 (or 512643 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 78614975208 in words is "seventy-eight billion, six hundred fourteen million, nine hundred seventy-five thousand, two hundred eight".