13428787747 has 8 divisors (see below), whose sum is σ = 14255847936. Its totient is φ = 12605853312.

The previous prime is 13428787741. The next prime is 13428787759. The reversal of 13428787747 is 74778782431.

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 13428787747 - 2³ = 13428787739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13428787691 and 13428787700.

It is not an unprimeable number, because it can be changed into a prime (13428787741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024728 + ... + 1037749.

It is an arithmetic number, because the mean of its divisors is an integer number (1781980992).

Almost surely, 2^13428787747 is an apocalyptic number.

13428787747 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13428787747 is a deficient number, since it is larger than the sum of its proper divisors (827060189).

13428787747 is a wasteful number, since it uses less digits than its factorization.

13428787747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062877.

The product of its digits is 14751744, while the sum is 58.

The spelling of 13428787747 in words is "thirteen billion, four hundred twenty-eight million, seven hundred eighty-seven thousand, seven hundred forty-seven".