13970758778 has 8 divisors (see below), whose sum is σ = 21632142720. Its totient is φ = 6760044540.

The previous prime is 13970758771. The next prime is 13970758793. The reversal of 13970758778 is 87785707931.

It is a happy number.

13970758778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (62), and also a Moran number because the ratio is a prime number: 225334819 = 13970758778 / (1 + 3 + 9 + 7 + 0 + 7 + 5 + 8 + 7 + 7 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 13970758778.

It is not an unprimeable number, because it can be changed into a prime (13970758771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112667348 + ... + 112667471.

It is an arithmetic number, because the mean of its divisors is an integer number (2704017840).

Almost surely, 2^13970758778 is an apocalyptic number.

13970758778 is a deficient number, since it is larger than the sum of its proper divisors (7661383942).

13970758778 is a wasteful number, since it uses less digits than its factorization.

13970758778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225334852.

The product of its (nonzero) digits is 20744640, while the sum is 62.

The spelling of 13970758778 in words is "thirteen billion, nine hundred seventy million, seven hundred fifty-eight thousand, seven hundred seventy-eight".