850939991758 has 16 divisors (see below), whose sum is σ = 1333210658976. Its totient is φ = 406572677280.

The previous prime is 850939991753. The next prime is 850939991789. The reversal of 850939991758 is 857199939058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850939991753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9012141 + ... + 9106072.

It is an arithmetic number, because the mean of its divisors is an integer number (83325666186).

Almost surely, 2^850939991758 is an apocalyptic number.

850939991758 is a deficient number, since it is larger than the sum of its proper divisors (482270667218).

850939991758 is a wasteful number, since it uses less digits than its factorization.

850939991758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18119259.

The product of its (nonzero) digits is 220449600, while the sum is 73.

The spelling of 850939991758 in words is "eight hundred fifty billion, nine hundred thirty-nine million, nine hundred ninety-one thousand, seven hundred fifty-eight".