78680360439 has 12 divisors (see below), whose sum is σ = 113704049472. Its totient is φ = 52428355200.

The previous prime is 78680360393. The next prime is 78680360443. The reversal of 78680360439 is 93406308687.

78680360439 is a `hidden beast` number, since 78 + 6 + 80 + 3 + 60 + 439 = 666.

It is not a de Polignac number, because 78680360439 - 2¹¹ = 78680358391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78680310439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2081767 + ... + 2119224.

It is an arithmetic number, because the mean of its divisors is an integer number (9475337456).

Almost surely, 2^78680360439 is an apocalyptic number.

78680360439 is a deficient number, since it is larger than the sum of its proper divisors (35023689033).

78680360439 is a wasteful number, since it uses less digits than its factorization.

78680360439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203078 (or 4203075 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 78680360439 in words is "seventy-eight billion, six hundred eighty million, three hundred sixty thousand, four hundred thirty-nine".