13786786152 has 48 divisors (see below), whose sum is σ = 37724171940. Its totient is φ = 4548215808.

The previous prime is 13786786129. The next prime is 13786786231. The reversal of 13786786152 is 25168768731.

It is a happy number.

13786786152 is a `hidden beast` number, since 13 + 7 + 8 + 6 + 7 + 8 + 615 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13228220196 + 558565956 = 115014^2 + 23634^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 980043 + ... + 994010.

Almost surely, 2^13786786152 is an apocalyptic number.

13786786152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13786786152 is an abundant number, since it is smaller than the sum of its proper divisors (23937385788).

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

13786786152 is a wasteful number, since it uses less digits than its factorization.

13786786152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974162 (or 1974155 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The spelling of 13786786152 in words is "thirteen billion, seven hundred eighty-six million, seven hundred eighty-six thousand, one hundred fifty-two".