78807285930 has 32 divisors (see below), whose sum is σ = 190811277504. Its totient is φ = 20829299456.

The previous prime is 78807285913. The next prime is 78807286003. The reversal of 78807285930 is 3958270887.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11620104 + ... + 11626883.

It is an arithmetic number, because the mean of its divisors is an integer number (5962852422).

Almost surely, 2^78807285930 is an apocalyptic number.

78807285930 is an abundant number, since it is smaller than the sum of its proper divisors (112003991574).

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

78807285930 is a wasteful number, since it uses less digits than its factorization.

78807285930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23247110.

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 78807285930 in words is "seventy-eight billion, eight hundred seven million, two hundred eighty-five thousand, nine hundred thirty".