906888887 has 2 divisors, whose sum is σ = 906888888. Its totient is φ = 906888886.

The previous prime is 906888847. The next prime is 906888967. The reversal of 906888887 is 788888609.

906888887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (788888609) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-906888887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (906888847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453444443 + 453444444.

It is an arithmetic number, because the mean of its divisors is an integer number (453444444).

Almost surely, 2^906888887 is an apocalyptic number.

906888887 is a deficient number, since it is larger than the sum of its proper divisors (1).

906888887 is an equidigital number, since it uses as much as digits as its factorization.

906888887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12386304, while the sum is 62.

The square root of 906888887 is about 30114.5959129456. The cubic root of 906888887 is about 967.9465138895.

The spelling of 906888887 in words is "nine hundred six million, eight hundred eighty-eight thousand, eight hundred eighty-seven".