13779805252 has 12 divisors (see below), whose sum is σ = 25383851920. Its totient is φ = 6527276136.

The previous prime is 13779805231. The next prime is 13779805279. The reversal of 13779805252 is 25250897731.

It is a junction number, because it is equal to n+sod(n) for n = 13779805196 and 13779805205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90656538 + ... + 90656689.

Almost surely, 2^13779805252 is an apocalyptic number.

It is an amenable number.

13779805252 is a deficient number, since it is larger than the sum of its proper divisors (11604046668).

13779805252 is a wasteful number, since it uses less digits than its factorization.

13779805252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181313250 (or 181313248 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 13779805252 in words is "thirteen billion, seven hundred seventy-nine million, eight hundred five thousand, two hundred fifty-two".