8081117 has 4 divisors (see below), whose sum is σ = 8815776. Its totient is φ = 7346460.

The previous prime is 8081113. The next prime is 8081123. The reversal of 8081117 is 7111808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8081117 - 2² = 8081113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081113) 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, 367313 + ... + 367334.

It is an arithmetic number, because the mean of its divisors is an integer number (2203944).

Almost surely, 2^8081117 is an apocalyptic number.

It is an amenable number.

8081117 is a deficient number, since it is larger than the sum of its proper divisors (734659).

8081117 is a wasteful number, since it uses less digits than its factorization.

8081117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734658.

The product of its (nonzero) digits is 448, while the sum is 26.

The square root of 8081117 is about 2842.7305535348. The cubic root of 8081117 is about 200.6737030727.

The spelling of 8081117 in words is "eight million, eighty-one thousand, one hundred seventeen".