78060747568 has 20 divisors (see below), whose sum is σ = 152330779720. Its totient is φ = 38749578624.

The previous prime is 78060747563. The next prime is 78060747571. The reversal of 78060747568 is 86574706087.

It is not an unprimeable number, because it can be changed into a prime (78060747563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17547405 + ... + 17551852.

It is an arithmetic number, because the mean of its divisors is an integer number (7616538986).

Almost surely, 2^78060747568 is an apocalyptic number.

It is an amenable number.

78060747568 is a deficient number, since it is larger than the sum of its proper divisors (74270032152).

78060747568 is a wasteful number, since it uses less digits than its factorization.

78060747568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35099404 (or 35099398 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 58.

The spelling of 78060747568 in words is "seventy-eight billion, sixty million, seven hundred forty-seven thousand, five hundred sixty-eight".