78647828300 has 18 divisors (see below), whose sum is σ = 170665787628. Its totient is φ = 31459131280.

The previous prime is 78647828299. The next prime is 78647828327. The reversal of 78647828300 is 382874687.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 393239042 + ... + 393239241.

It is an arithmetic number, because the mean of its divisors is an integer number (9481432646).

Almost surely, 2^78647828300 is an apocalyptic number.

It is an amenable number.

78647828300 is an abundant number, since it is smaller than the sum of its proper divisors (92017959328).

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

78647828300 is a wasteful number, since it uses less digits than its factorization.

78647828300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786478297 (or 786478290 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 78647828300 in words is "seventy-eight billion, six hundred forty-seven million, eight hundred twenty-eight thousand, three hundred".