13536472878 has 12 divisors (see below), whose sum is σ = 29329024608. Its totient is φ = 4512157620.

The previous prime is 13536472861. The next prime is 13536472907. The reversal of 13536472878 is 87827463531.

It is a happy number.

13536472878 is a `hidden beast` number, since 1 + 353 + 6 + 4 + 7 + 287 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 376013118 + ... + 376013153.

It is an arithmetic number, because the mean of its divisors is an integer number (2444085384).

Almost surely, 2^13536472878 is an apocalyptic number.

13536472878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13536472878 is an abundant number, since it is smaller than the sum of its proper divisors (15792551730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13536472878 is a wasteful number, since it uses less digits than its factorization.

13536472878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752026279 (or 752026276 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 13536472878 in words is "thirteen billion, five hundred thirty-six million, four hundred seventy-two thousand, eight hundred seventy-eight".