13777752775 has 12 divisors (see below), whose sum is σ = 17130227752. Its totient is φ = 10992644640.

The previous prime is 13777752691. The next prime is 13777752787. The reversal of 13777752775 is 57725777731.

It is not a de Polignac number, because 13777752775 - 2⁷ = 13777752647 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 729429 + ... + 748078.

Almost surely, 2^13777752775 is an apocalyptic number.

13777752775 is a deficient number, since it is larger than the sum of its proper divisors (3352474977).

13777752775 is a wasteful number, since it uses less digits than its factorization.

13777752775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477890 (or 1477885 counting only the distinct ones).

The product of its digits is 17647350, while the sum is 58.

The spelling of 13777752775 in words is "thirteen billion, seven hundred seventy-seven million, seven hundred fifty-two thousand, seven hundred seventy-five".