8091117927 has 12 divisors (see below), whose sum is σ = 11701381744. Its totient is φ = 5387519520.

The previous prime is 8091117913. The next prime is 8091117949. The reversal of 8091117927 is 7297111908.

It is a happy number.

It is not a de Polignac number, because 8091117927 - 2⁴ = 8091117911 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 (8091117527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 538774 + ... + 553587.

Almost surely, 2^8091117927 is an apocalyptic number.

8091117927 is a deficient number, since it is larger than the sum of its proper divisors (3610263817).

8091117927 is a wasteful number, since it uses less digits than its factorization.

8091117927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093190 (or 1093187 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 45.

The square root of 8091117927 is about 89950.6416152770. The cubic root of 8091117927 is about 2007.5645135792.

The spelling of 8091117927 in words is "eight billion, ninety-one million, one hundred seventeen thousand, nine hundred twenty-seven".