1387162927 has 2 divisors, whose sum is σ = 1387162928. Its totient is φ = 1387162926.

The previous prime is 1387162901. The next prime is 1387162969. The reversal of 1387162927 is 7292617831.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1387162927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1387162727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693581463 + 693581464.

It is an arithmetic number, because the mean of its divisors is an integer number (693581464).

Almost surely, 2^1387162927 is an apocalyptic number.

1387162927 is a deficient number, since it is larger than the sum of its proper divisors (1).

1387162927 is an equidigital number, since it uses as much as digits as its factorization.

1387162927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 46.

The square root of 1387162927 is about 37244.6362178502. The cubic root of 1387162927 is about 1115.2592255909.

The spelling of 1387162927 in words is "one billion, three hundred eighty-seven million, one hundred sixty-two thousand, nine hundred twenty-seven".