78795599559787 has 24 divisors (see below), whose sum is σ = 87521947611840. Its totient is φ = 70879035216000.

The previous prime is 78795599559769. The next prime is 78795599559827.

It is a happy number.

78795599559787 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 78795599559787 - 2¹⁵ = 78795599527019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78795599559692 and 78795599559701.

It is not an unprimeable number, because it can be changed into a prime (78795599556787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17659998 + ... + 21667180.

It is an arithmetic number, because the mean of its divisors is an integer number (3646747817160).

Almost surely, 2^{78795599559787} is an apocalyptic number.

78795599559787 is a deficient number, since it is larger than the sum of its proper divisors (8726348052053).

78795599559787 is a wasteful number, since it uses less digits than its factorization.

78795599559787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008915 (or 4008904 counting only the distinct ones).

The product of its digits is 630118440000, while the sum is 100.

The spelling of 78795599559787 in words is "seventy-eight trillion, seven hundred ninety-five billion, five hundred ninety-nine million, five hundred fifty-nine thousand, seven hundred eighty-seven".