1427677387 has 2 divisors, whose sum is σ = 1427677388. Its totient is φ = 1427677386.

The previous prime is 1427677351. The next prime is 1427677397. The reversal of 1427677387 is 7837767241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1427677387 - 2¹¹ = 1427675339 is a prime.

It is a super-2 number, since 2×1427677387² = 4076525442702295538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1427677327) 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, 713838693 + 713838694.

It is an arithmetic number, because the mean of its divisors is an integer number (713838694).

Almost surely, 2^1427677387 is an apocalyptic number.

1427677387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427677387 is an equidigital number, since it uses as much as digits as its factorization.

1427677387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2765952, while the sum is 52.

The square root of 1427677387 is about 37784.6183916154. The cubic root of 1427677387 is about 1126.0128851820.

The spelling of 1427677387 in words is "one billion, four hundred twenty-seven million, six hundred seventy-seven thousand, three hundred eighty-seven".