8718081 has 8 divisors (see below), whose sum is σ = 12129600. Its totient is φ = 5559312.

The previous prime is 8718043. The next prime is 8718089. The reversal of 8718081 is 1808178.

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

It is not a de Polignac number, because 8718081 - 2¹⁹ = 8193793 is a prime.

It is a super-2 number, since 2×8718081² = 152009872645122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

8718081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8718089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63106 + ... + 63243.

It is an arithmetic number, because the mean of its divisors is an integer number (1516200).

Almost surely, 2^8718081 is an apocalyptic number.

It is an amenable number.

8718081 is a deficient number, since it is larger than the sum of its proper divisors (3411519).

8718081 is a wasteful number, since it uses less digits than its factorization.

8718081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126375.

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

The square root of 8718081 is about 2952.6396664680. The cubic root of 8718081 is about 205.8133933962.

Subtracting from 8718081 its reverse (1808178), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 8718081 in words is "eight million, seven hundred eighteen thousand, eighty-one".