850166747 has 2 divisors, whose sum is σ = 850166748. Its totient is φ = 850166746.

The previous prime is 850166743. The next prime is 850166767. The reversal of 850166747 is 747661058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 850166747 - 2² = 850166743 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 850166698 and 850166707.

It is not a weakly prime, because it can be changed into another prime (850166741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425083373 + 425083374.

It is an arithmetic number, because the mean of its divisors is an integer number (425083374).

Almost surely, 2^850166747 is an apocalyptic number.

850166747 is a deficient number, since it is larger than the sum of its proper divisors (1).

850166747 is an equidigital number, since it uses as much as digits as its factorization.

850166747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 850166747 is about 29157.6190214496. The cubic root of 850166747 is about 947.3301759346.

The spelling of 850166747 in words is "eight hundred fifty million, one hundred sixty-six thousand, seven hundred forty-seven".