85442162887 has 2 divisors, whose sum is σ = 85442162888. Its totient is φ = 85442162886.

The previous prime is 85442162801. The next prime is 85442162933. The reversal of 85442162887 is 78826124458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85442162887 - 2⁷ = 85442162759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85442162387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42721081443 + 42721081444.

It is an arithmetic number, because the mean of its divisors is an integer number (42721081444).

Almost surely, 2^85442162887 is an apocalyptic number.

85442162887 is a deficient number, since it is larger than the sum of its proper divisors (1).

85442162887 is an equidigital number, since it uses as much as digits as its factorization.

85442162887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6881280, while the sum is 55.

The spelling of 85442162887 in words is "eighty-five billion, four hundred forty-two million, one hundred sixty-two thousand, eight hundred eighty-seven".