13776145607 has 8 divisors (see below), whose sum is σ = 16079149056. Its totient is φ = 11556887832.

The previous prime is 13776145601. The next prime is 13776145631. The reversal of 13776145607 is 70654167731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13776145607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13776145601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20936063 + ... + 20936720.

It is an arithmetic number, because the mean of its divisors is an integer number (2009893632).

Almost surely, 2^13776145607 is an apocalyptic number.

13776145607 is a deficient number, since it is larger than the sum of its proper divisors (2303003449).

13776145607 is an equidigital number, since it uses as much as digits as its factorization.

13776145607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41872837.

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 13776145607 in words is "thirteen billion, seven hundred seventy-six million, one hundred forty-five thousand, six hundred seven".