1377775013767 has 2 divisors, whose sum is σ = 1377775013768. Its totient is φ = 1377775013766.

The previous prime is 1377775013759. The next prime is 1377775013779. The reversal of 1377775013767 is 7673105777731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1377775013767 - 2³ = 1377775013759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377775017767) 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 as a sum of consecutive naturals, namely, 688887506883 + 688887506884.

It is an arithmetic number, because the mean of its divisors is an integer number (688887506884).

Almost surely, 2^{1377775013767} is an apocalyptic number.

1377775013767 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377775013767 is an equidigital number, since it uses as much as digits as its factorization.

1377775013767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31765230, while the sum is 61.

The spelling of 1377775013767 in words is "one trillion, three hundred seventy-seven billion, seven hundred seventy-five million, thirteen thousand, seven hundred sixty-seven".