13708513878 has 16 divisors (see below), whose sum is σ = 27614274240. Its totient is φ = 4536630216.

The previous prime is 13708513867. The next prime is 13708513879. The reversal of 13708513878 is 87831580731.

It is a self number, because there is not a number n which added to its sum of digits gives 13708513878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13708513879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8217700 + ... + 8219367.

It is an arithmetic number, because the mean of its divisors is an integer number (1725892140).

Almost surely, 2^13708513878 is an apocalyptic number.

13708513878 is an abundant number, since it is smaller than the sum of its proper divisors (13905760362).

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

13708513878 is a wasteful number, since it uses less digits than its factorization.

13708513878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16437211.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 13708513878 in words is "thirteen billion, seven hundred eight million, five hundred thirteen thousand, eight hundred seventy-eight".