80000851 has 8 divisors (see below), whose sum is σ = 92587520. Its totient is φ = 67703688.

The previous prime is 80000839. The next prime is 80000867. The reversal of 80000851 is 15800008.

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 80000851 - 2¹³ = 79992659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80000551) 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, 71781 + ... + 72886.

It is an arithmetic number, because the mean of its divisors is an integer number (11573440).

Almost surely, 2^80000851 is an apocalyptic number.

80000851 is a deficient number, since it is larger than the sum of its proper divisors (12586669).

80000851 is a wasteful number, since it uses less digits than its factorization.

80000851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144753.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 80000851 is about 8944.3194822189. The cubic root of 80000851 is about 430.8884658542. Note that the first 3 decimals are identical.

Adding to 80000851 its reverse (15800008), we get a palindrome (95800859).

The spelling of 80000851 in words is "eighty million, eight hundred fifty-one", and thus it is an aban number.