13428262122878 has 8 divisors (see below), whose sum is σ = 21327239842272. Its totient is φ = 6319182175456.

The previous prime is 13428262122853. The next prime is 13428262122887. The reversal of 13428262122878 is 87822126282431.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197474442950 + ... + 197474443017.

It is an arithmetic number, because the mean of its divisors is an integer number (2665904980284).

Almost surely, 2^{13428262122878} is an apocalyptic number.

13428262122878 is a deficient number, since it is larger than the sum of its proper divisors (7898977719394).

13428262122878 is a wasteful number, since it uses less digits than its factorization.

13428262122878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394948885986.

The product of its digits is 8257536, while the sum is 56.

The spelling of 13428262122878 in words is "thirteen trillion, four hundred twenty-eight billion, two hundred sixty-two million, one hundred twenty-two thousand, eight hundred seventy-eight".