850282991 has 2 divisors, whose sum is σ = 850282992. Its totient is φ = 850282990.

The previous prime is 850282921. The next prime is 850283011. The reversal of 850282991 is 199282058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850282991 - 2¹⁰ = 850281967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850282921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425141495 + 425141496.

It is an arithmetic number, because the mean of its divisors is an integer number (425141496).

Almost surely, 2^850282991 is an apocalyptic number.

850282991 is a deficient number, since it is larger than the sum of its proper divisors (1).

850282991 is an equidigital number, since it uses as much as digits as its factorization.

850282991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 850282991 is about 29159.6123259552. The cubic root of 850282991 is about 947.3733503788.

The spelling of 850282991 in words is "eight hundred fifty million, two hundred eighty-two thousand, nine hundred ninety-one".