850138808223 has 32 divisors (see below), whose sum is σ = 1160077040640. Its totient is φ = 553640630400.

The previous prime is 850138808191. The next prime is 850138808291. The reversal of 850138808223 is 322808831058.

It is not a de Polignac number, because 850138808223 - 2⁵ = 850138808191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850138808923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34768240 + ... + 34792682.

It is an arithmetic number, because the mean of its divisors is an integer number (36252407520).

Almost surely, 2^850138808223 is an apocalyptic number.

850138808223 is a deficient number, since it is larger than the sum of its proper divisors (309938232417).

850138808223 is a wasteful number, since it uses less digits than its factorization.

850138808223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26079.

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 850138808223 in words is "eight hundred fifty billion, one hundred thirty-eight million, eight hundred eight thousand, two hundred twenty-three".