13077178243 has 8 divisors (see below), whose sum is σ = 14002003440. Its totient is φ = 12169639680.

The previous prime is 13077178237. The next prime is 13077178259. The reversal of 13077178243 is 34287177031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13077178243 - 2¹⁷ = 13077047171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13077178243.

It is not an unprimeable number, because it can be changed into a prime (13077178223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4320093 + ... + 4323118.

It is an arithmetic number, because the mean of its divisors is an integer number (1750250430).

Almost surely, 2^13077178243 is an apocalyptic number.

13077178243 is a deficient number, since it is larger than the sum of its proper divisors (924825197).

13077178243 is an equidigital number, since it uses as much as digits as its factorization.

13077178243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8643317.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 13077178243 in words is "thirteen billion, seventy-seven million, one hundred seventy-eight thousand, two hundred forty-three".