850299887 has 2 divisors, whose sum is σ = 850299888. Its totient is φ = 850299886.

The previous prime is 850299883. The next prime is 850299977. The reversal of 850299887 is 788992058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 850299887 - 2² = 850299883 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 (850299883) 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, 425149943 + 425149944.

It is an arithmetic number, because the mean of its divisors is an integer number (425149944).

Almost surely, 2^850299887 is an apocalyptic number.

850299887 is a deficient number, since it is larger than the sum of its proper divisors (1).

850299887 is an equidigital number, since it uses as much as digits as its factorization.

850299887 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 56.

The square root of 850299887 is about 29159.9020403019. The cubic root of 850299887 is about 947.3796254324.

The spelling of 850299887 in words is "eight hundred fifty million, two hundred ninety-nine thousand, eight hundred eighty-seven".