8719091 has 8 divisors (see below), whose sum is σ = 9070464. Its totient is φ = 8372160.

The previous prime is 8719057. The next prime is 8719099. The reversal of 8719091 is 1909178.

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 8719091 - 2²² = 4524787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8719099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3221 + ... + 5273.

It is an arithmetic number, because the mean of its divisors is an integer number (1133808).

Almost surely, 2^8719091 is an apocalyptic number.

8719091 is a deficient number, since it is larger than the sum of its proper divisors (351373).

8719091 is a wasteful number, since it uses less digits than its factorization.

8719091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 8719091 is about 2952.8106949143. The cubic root of 8719091 is about 205.8213409977.

The spelling of 8719091 in words is "eight million, seven hundred nineteen thousand, ninety-one".