13673780767 has 2 divisors, whose sum is σ = 13673780768. Its totient is φ = 13673780766.

The previous prime is 13673780753. The next prime is 13673780777. The reversal of 13673780767 is 76708737631.

It is a strong prime.

It is an emirp because it is prime and its reverse (76708737631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13673780767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13673780777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6836890383 + 6836890384.

It is an arithmetic number, because the mean of its divisors is an integer number (6836890384).

Almost surely, 2^13673780767 is an apocalyptic number.

13673780767 is a deficient number, since it is larger than the sum of its proper divisors (1).

13673780767 is an equidigital number, since it uses as much as digits as its factorization.

13673780767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6223392, while the sum is 55.

The spelling of 13673780767 in words is "thirteen billion, six hundred seventy-three million, seven hundred eighty thousand, seven hundred sixty-seven".