842202887 has 2 divisors, whose sum is σ = 842202888. Its totient is φ = 842202886.

The previous prime is 842202869. The next prime is 842202901. The reversal of 842202887 is 788202248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 842202887 - 2⁸ = 842202631 is a prime.

It is a super-2 number, since 2×842202887² = 1418611405742269538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842202827) 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, 421101443 + 421101444.

It is an arithmetic number, because the mean of its divisors is an integer number (421101444).

Almost surely, 2^842202887 is an apocalyptic number.

842202887 is a deficient number, since it is larger than the sum of its proper divisors (1).

842202887 is an equidigital number, since it uses as much as digits as its factorization.

842202887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 114688, while the sum is 41.

The square root of 842202887 is about 29020.7320204022. The cubic root of 842202887 is about 944.3628813957.

The spelling of 842202887 in words is "eight hundred forty-two million, two hundred two thousand, eight hundred eighty-seven".