13787852772 has 24 divisors (see below), whose sum is σ = 32956332192. Its totient is φ = 4483854400.

The previous prime is 13787852761. The next prime is 13787852773. The reversal of 13787852772 is 27725878731.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13787852773) 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, 14011554 + ... + 14012537.

It is an arithmetic number, because the mean of its divisors is an integer number (1373180508).

Almost surely, 2^13787852772 is an apocalyptic number.

13787852772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13787852772 is an abundant number, since it is smaller than the sum of its proper divisors (19168479420).

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

13787852772 is a wasteful number, since it uses less digits than its factorization.

13787852772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28024139 (or 28024137 counting only the distinct ones).

The product of its digits is 9219840, while the sum is 57.

The spelling of 13787852772 in words is "thirteen billion, seven hundred eighty-seven million, eight hundred fifty-two thousand, seven hundred seventy-two".