8500000851 has 6 divisors (see below), whose sum is σ = 12277779020. Its totient is φ = 5666667228.

The previous prime is 8500000811. The next prime is 8500000853. The reversal of 8500000851 is 1580000058.

It is not a de Polignac number, because 8500000851 - 2¹³ = 8499992659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8500000853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 472222261 + ... + 472222278.

Almost surely, 2^8500000851 is an apocalyptic number.

8500000851 is a deficient number, since it is larger than the sum of its proper divisors (3777778169).

8500000851 is a wasteful number, since it uses less digits than its factorization.

8500000851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944444545 (or 944444542 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 8500000851 is about 92195.4491881242. The cubic root of 8500000851 is about 2040.8276190663.

The spelling of 8500000851 in words is "eight billion, five hundred million, eight hundred fifty-one", and thus it is an aban number.