905648867 has 2 divisors, whose sum is σ = 905648868. Its totient is φ = 905648866.

The previous prime is 905648831. The next prime is 905648873. The reversal of 905648867 is 768846509.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 905648867 - 2¹⁰ = 905647843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (905648267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452824433 + 452824434.

It is an arithmetic number, because the mean of its divisors is an integer number (452824434).

Almost surely, 2^905648867 is an apocalyptic number.

905648867 is a deficient number, since it is larger than the sum of its proper divisors (1).

905648867 is an equidigital number, since it uses as much as digits as its factorization.

905648867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 905648867 is about 30094.0005150528. Note that the first 3 decimals coincide. The cubic root of 905648867 is about 967.5051439388.

The spelling of 905648867 in words is "nine hundred five million, six hundred forty-eight thousand, eight hundred sixty-seven".