850945081 has 8 divisors (see below), whose sum is σ = 1029715200. Its totient is φ = 686476608.

The previous prime is 850945049. The next prime is 850945127. The reversal of 850945081 is 180549058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 850945081 - 2⁵ = 850945049 is a prime.

It is a super-2 number, since 2×850945081² = 1448215061756193122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850945021) 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, 3575281 + ... + 3575518.

It is an arithmetic number, because the mean of its divisors is an integer number (128714400).

Almost surely, 2^850945081 is an apocalyptic number.

It is an amenable number.

850945081 is a deficient number, since it is larger than the sum of its proper divisors (178770119).

850945081 is a wasteful number, since it uses less digits than its factorization.

850945081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7150823.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 850945081 is about 29170.9629769056. The cubic root of 850945081 is about 947.6191837043.

The spelling of 850945081 in words is "eight hundred fifty million, nine hundred forty-five thousand, eighty-one".