162845887 has 2 divisors, whose sum is σ = 162845888. Its totient is φ = 162845886.

The previous prime is 162845857. The next prime is 162845909. The reversal of 162845887 is 788548261.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162845887 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162845887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162845857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81422943 + 81422944.

It is an arithmetic number, because the mean of its divisors is an integer number (81422944).

Almost surely, 2^162845887 is an apocalyptic number.

162845887 is a deficient number, since it is larger than the sum of its proper divisors (1).

162845887 is an equidigital number, since it uses as much as digits as its factorization.

162845887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 860160, while the sum is 49.

The square root of 162845887 is about 12761.1083766262. The cubic root of 162845887 is about 546.0833452092.

The spelling of 162845887 in words is "one hundred sixty-two million, eight hundred forty-five thousand, eight hundred eighty-seven".