8107881 has 8 divisors (see below), whose sum is σ = 10827264. Its totient is φ = 5396880.

The previous prime is 8107877. The next prime is 8107903. The reversal of 8107881 is 1887018.

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

It is not a de Polignac number, because 8107881 - 2² = 8107877 is a prime.

It is a super-2 number, since 2×8107881² = 131475468620322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8107831) 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, 696 + ... + 4086.

It is an arithmetic number, because the mean of its divisors is an integer number (1353408).

Almost surely, 2^8107881 is an apocalyptic number.

It is an amenable number.

8107881 is a deficient number, since it is larger than the sum of its proper divisors (2719383).

8107881 is a wasteful number, since it uses less digits than its factorization.

8107881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191.

The product of its (nonzero) digits is 3584, while the sum is 33.

The square root of 8107881 is about 2847.4341081050. The cubic root of 8107881 is about 200.8949972586.

The spelling of 8107881 in words is "eight million, one hundred seven thousand, eight hundred eighty-one".