13773608667 has 144 divisors (see below), whose sum is σ = 26309836800. Its totient is φ = 6783678720.

The previous prime is 13773608621. The next prime is 13773608699. The reversal of 13773608667 is 76680637731.

It is a happy number.

It is not a de Polignac number, because 13773608667 - 2¹⁶ = 13773543131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13773608467) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9570934 + ... + 9572372.

It is an arithmetic number, because the mean of its divisors is an integer number (182707200).

Almost surely, 2^13773608667 is an apocalyptic number.

13773608667 is a deficient number, since it is larger than the sum of its proper divisors (12536228133).

13773608667 is a wasteful number, since it uses less digits than its factorization.

13773608667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 13773608667 in words is "thirteen billion, seven hundred seventy-three million, six hundred eight thousand, six hundred sixty-seven".