13852916778 has 16 divisors (see below), whose sum is σ = 27716451840. Its totient is φ = 4615869216.

The previous prime is 13852916743. The next prime is 13852916789. The reversal of 13852916778 is 87761925831.

It is a happy 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, 425418 + ... + 456821.

It is an arithmetic number, because the mean of its divisors is an integer number (1732278240).

Almost surely, 2^13852916778 is an apocalyptic number.

13852916778 is an abundant number, since it is smaller than the sum of its proper divisors (13863535062).

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

13852916778 is a wasteful number, since it uses less digits than its factorization.

13852916778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884861.

The product of its digits is 5080320, while the sum is 57.

The spelling of 13852916778 in words is "thirteen billion, eight hundred fifty-two million, nine hundred sixteen thousand, seven hundred seventy-eight".