850140705 has 16 divisors (see below), whose sum is σ = 1360762560. Its totient is φ = 453229248.

The previous prime is 850140701. The next prime is 850140763. The reversal of 850140705 is 507041058.

It is not a de Polignac number, because 850140705 - 2² = 850140701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (850140701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33894 + ... + 53376.

It is an arithmetic number, because the mean of its divisors is an integer number (85047660).

Almost surely, 2^850140705 is an apocalyptic number.

It is an amenable number.

850140705 is a deficient number, since it is larger than the sum of its proper divisors (510621855).

850140705 is a wasteful number, since it uses less digits than its factorization.

850140705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22400.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 850140705 is about 29157.1724452149. The cubic root of 850140705 is about 947.3205030775.

The spelling of 850140705 in words is "eight hundred fifty million, one hundred forty thousand, seven hundred five".