78607505792 has 32 divisors (see below), whose sum is σ = 162000928800. Its totient is φ = 37948449280.

The previous prime is 78607505777. The next prime is 78607505803. The reversal of 78607505792 is 29750570687.

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 10584584 + ... + 10592007.

It is an arithmetic number, because the mean of its divisors is an integer number (5062529025).

Almost surely, 2^78607505792 is an apocalyptic number.

It is an amenable number.

78607505792 is an abundant number, since it is smaller than the sum of its proper divisors (83393423008).

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

78607505792 is a wasteful number, since it uses less digits than its factorization.

78607505792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21176634 (or 21176622 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 56.

The spelling of 78607505792 in words is "seventy-eight billion, six hundred seven million, five hundred five thousand, seven hundred ninety-two".