844299800887 has 2 divisors, whose sum is σ = 844299800888. Its totient is φ = 844299800886.

The previous prime is 844299800783. The next prime is 844299800891. The reversal of 844299800887 is 788008992448.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 844299800887 - 2¹⁹ = 844299276599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (844299800387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422149900443 + 422149900444.

It is an arithmetic number, because the mean of its divisors is an integer number (422149900444).

Almost surely, 2^844299800887 is an apocalyptic number.

844299800887 is a deficient number, since it is larger than the sum of its proper divisors (1).

844299800887 is an equidigital number, since it uses as much as digits as its factorization.

844299800887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74317824, while the sum is 67.

The spelling of 844299800887 in words is "eight hundred forty-four billion, two hundred ninety-nine million, eight hundred thousand, eight hundred eighty-seven".