850888901 has 4 divisors (see below), whose sum is σ = 855208332. Its totient is φ = 846569472.

The previous prime is 850888853. The next prime is 850888903. The reversal of 850888901 is 109888058.

850888901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 29170²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 833707876 + 17181025 = 28874^2 + 4145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-850888901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850888903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2159420 + ... + 2159813.

It is an arithmetic number, because the mean of its divisors is an integer number (213802083).

Almost surely, 2^850888901 is an apocalyptic number.

It is an amenable number.

850888901 is a deficient number, since it is larger than the sum of its proper divisors (4319431).

850888901 is a wasteful number, since it uses less digits than its factorization.

850888901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319430.

The product of its (nonzero) digits is 184320, while the sum is 47.

The square root of 850888901 is about 29170.0000171409. Note that the first 4 decimals coincide. The cubic root of 850888901 is about 947.5983290810.

The spelling of 850888901 in words is "eight hundred fifty million, eight hundred eighty-eight thousand, nine hundred one".