78703108704 has 384 divisors, whose sum is σ = 254702568960. Its totient is φ = 23445504000.

The previous prime is 78703108681. The next prime is 78703108711. The reversal of 78703108704 is 40780130787.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 78703108704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 196266904 + ... + 196267304.

It is an arithmetic number, because the mean of its divisors is an integer number (663287940).

Almost surely, 2^78703108704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78703108704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127351284480).

78703108704 is an abundant number, since it is smaller than the sum of its proper divisors (175999460256).

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

78703108704 is a wasteful number, since it uses less digits than its factorization.

78703108704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The spelling of 78703108704 in words is "seventy-eight billion, seven hundred three million, one hundred eight thousand, seven hundred four".