13885560078 has 16 divisors (see below), whose sum is σ = 29907360336. Its totient is φ = 4272480000.

The previous prime is 13885560041. The next prime is 13885560097. The reversal of 13885560078 is 87006558831.

It is a self number, because there is not a number n which added to its sum of digits gives 13885560078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89009923 + ... + 89010078.

It is an arithmetic number, because the mean of its divisors is an integer number (1869210021).

Almost surely, 2^13885560078 is an apocalyptic number.

13885560078 is an abundant number, since it is smaller than the sum of its proper divisors (16021800258).

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

13885560078 is a wasteful number, since it uses less digits than its factorization.

13885560078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178020019.

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 13885560078 in words is "thirteen billion, eight hundred eighty-five million, five hundred sixty thousand, seventy-eight".