78000808000 has 112 divisors (see below), whose sum is σ = 195615763200. Its totient is φ = 30805132800.

The previous prime is 78000807979. The next prime is 78000808013. The reversal of 78000808000 is 80800087.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570291 + ... + 693709.

Almost surely, 2^78000808000 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 78000808000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97807881600).

78000808000 is an abundant number, since it is smaller than the sum of its proper divisors (117614955200).

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

78000808000 is a wasteful number, since it uses less digits than its factorization.

78000808000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123525 (or 123505 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The spelling of 78000808000 in words is "seventy-eight billion, eight hundred eight thousand".