13078200787 has 4 divisors (see below), whose sum is σ = 13397181336. Its totient is φ = 12759220240.

The previous prime is 13078200743. The next prime is 13078200799. The reversal of 13078200787 is 78700287031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78700287031 = 258443 ⋅304517.

It is a cyclic number.

It is not a de Polignac number, because 13078200787 - 2³¹ = 10930717139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13078200287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159490213 + ... + 159490294.

It is an arithmetic number, because the mean of its divisors is an integer number (3349295334).

Almost surely, 2^13078200787 is an apocalyptic number.

13078200787 is a deficient number, since it is larger than the sum of its proper divisors (318980549).

13078200787 is an equidigital number, since it uses as much as digits as its factorization.

13078200787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318980548.

The product of its (nonzero) digits is 131712, while the sum is 43.

The spelling of 13078200787 in words is "thirteen billion, seventy-eight million, two hundred thousand, seven hundred eighty-seven".