162775427 has 2 divisors, whose sum is σ = 162775428. Its totient is φ = 162775426.

The previous prime is 162775421. The next prime is 162775447. The reversal of 162775427 is 724577261.

It is a weak prime.

It is an emirp because it is prime and its reverse (724577261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162775427 - 2¹⁴ = 162759043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (162775421) 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, 81387713 + 81387714.

It is an arithmetic number, because the mean of its divisors is an integer number (81387714).

Almost surely, 2^162775427 is an apocalyptic number.

162775427 is a deficient number, since it is larger than the sum of its proper divisors (1).

162775427 is an equidigital number, since it uses as much as digits as its factorization.

162775427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164640, while the sum is 41.

The square root of 162775427 is about 12758.3473459536. The cubic root of 162775427 is about 546.0045742437.

The spelling of 162775427 in words is "one hundred sixty-two million, seven hundred seventy-five thousand, four hundred twenty-seven".