1377310387 has 2 divisors, whose sum is σ = 1377310388. Its totient is φ = 1377310386.

The previous prime is 1377310381. The next prime is 1377310393. The reversal of 1377310387 is 7830137731.

It is a balanced prime because it is at equal distance from previous prime (1377310381) and next prime (1377310393).

It is a cyclic number.

It is not a de Polignac number, because 1377310387 - 2³ = 1377310379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1377310381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688655193 + 688655194.

It is an arithmetic number, because the mean of its divisors is an integer number (688655194).

Almost surely, 2^1377310387 is an apocalyptic number.

1377310387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377310387 is an equidigital number, since it uses as much as digits as its factorization.

1377310387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 1377310387 is about 37112.1326118562. The cubic root of 1377310387 is about 1112.6125155232.

The spelling of 1377310387 in words is "one billion, three hundred seventy-seven million, three hundred ten thousand, three hundred eighty-seven".