1387370808667 has 2 divisors, whose sum is σ = 1387370808668. Its totient is φ = 1387370808666.

The previous prime is 1387370808653. The next prime is 1387370808727. The reversal of 1387370808667 is 7668080737831.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1387370808667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1387370808599 and 1387370808608.

It is not a weakly prime, because it can be changed into another prime (1387370808647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693685404333 + 693685404334.

It is an arithmetic number, because the mean of its divisors is an integer number (693685404334).

Almost surely, 2^{1387370808667} is an apocalyptic number.

1387370808667 is a deficient number, since it is larger than the sum of its proper divisors (1).

1387370808667 is an equidigital number, since it uses as much as digits as its factorization.

1387370808667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56899584, while the sum is 64.

The spelling of 1387370808667 in words is "one trillion, three hundred eighty-seven billion, three hundred seventy million, eight hundred eight thousand, six hundred sixty-seven".