850754021 has 16 divisors (see below), whose sum is σ = 931045248. Its totient is φ = 772632000.

The previous prime is 850753997. The next prime is 850754033. The reversal of 850754021 is 120457058.

It is a cyclic number.

It is not a de Polignac number, because 850754021 - 2¹⁴ = 850737637 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 (850754071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808946 + ... + 809996.

It is an arithmetic number, because the mean of its divisors is an integer number (58190328).

Almost surely, 2^850754021 is an apocalyptic number.

It is an amenable number.

850754021 is a deficient number, since it is larger than the sum of its proper divisors (80291227).

850754021 is a wasteful number, since it uses less digits than its factorization.

850754021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 850754021 is about 29167.6879611669. The cubic root of 850754021 is about 947.5482564191.

The spelling of 850754021 in words is "eight hundred fifty million, seven hundred fifty-four thousand, twenty-one".