850797690 has 64 divisors (see below), whose sum is σ = 2063128320. Its totient is φ = 224537600.

The previous prime is 850797643. The next prime is 850797719. The reversal of 850797690 is 96797058.

850797690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×850797690² = 1447713418618672200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2121490 + ... + 2121890.

It is an arithmetic number, because the mean of its divisors is an integer number (32236380).

Almost surely, 2^850797690 is an apocalyptic number.

850797690 is an abundant number, since it is smaller than the sum of its proper divisors (1212330630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

850797690 is a wasteful number, since it uses less digits than its factorization.

850797690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967.

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 850797690 is about 29168.4365367772. The cubic root of 850797690 is about 947.5644686167.

The spelling of 850797690 in words is "eight hundred fifty million, seven hundred ninety-seven thousand, six hundred ninety".