78748008600 has 96 divisors (see below), whose sum is σ = 258478791120. Its totient is φ = 19764203520.

The previous prime is 78748008569. The next prime is 78748008607. The reversal of 78748008600 is 680084787.

It is a self number, because there is not a number n which added to its sum of digits gives 78748008600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78748008607) 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 23 ways as a sum of consecutive naturals, for example, 3849997 + ... + 3870396.

Almost surely, 2^78748008600 is an apocalyptic number.

It is an amenable number.

78748008600 is an abundant number, since it is smaller than the sum of its proper divisors (179730782520).

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

78748008600 is a wasteful number, since it uses less digits than its factorization.

78748008600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720429 (or 7720420 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 78748008600 in words is "seventy-eight billion, seven hundred forty-eight million, eight thousand, six hundred".