78610330780 has 24 divisors (see below), whose sum is σ = 165557449008. Its totient is φ = 31353512448.

The previous prime is 78610330753. The next prime is 78610330861. The reversal of 78610330780 is 8703301687.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5656629 + ... + 5670508.

It is an arithmetic number, because the mean of its divisors is an integer number (6898227042).

Almost surely, 2^78610330780 is an apocalyptic number.

It is an amenable number.

78610330780 is an abundant number, since it is smaller than the sum of its proper divisors (86947118228).

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

78610330780 is a wasteful number, since it uses less digits than its factorization.

78610330780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11327493 (or 11327491 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 78610330780 in words is "seventy-eight billion, six hundred ten million, three hundred thirty thousand, seven hundred eighty".