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8851 = 53167

8851 has 4 divisors (see below), whose sum is σ = 9072. Its totient is φ = 8632.

The previous prime is 8849. The next prime is 8861. The reversal of 8851 is 1588.

8851 is nontrivially palindromic in base 7.

8851 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8851 - 21 = 8849 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (8821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31 + ... + 136.

It is an arithmetic number, because the mean of its divisors is an integer number (2268).

28851 is an apocalyptic number.

8851 is the 60-th centered pentagonal number.

8851 is a deficient number, since it is larger than the sum of its proper divisors (221).

8851 is a wasteful number, since it uses less digits than its factorization.

8851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220.

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

The square root of 8851 is about 94.0797534010. The cubic root of 8851 is about 20.6854090584.

The spelling of 8851 in words is "eight thousand, eight hundred fifty-one".

Divisors: 1 53 167 8851