2117090927 has 8 divisors (see below), whose sum is σ = 2419854336. Its totient is φ = 1814407992.

The previous prime is 2117090917. The next prime is 2117090951. The reversal of 2117090927 is 7290907112.

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 2117090927 - 2²⁰ = 2116042351 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 (2117090917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54938 + ... + 85160.

It is an arithmetic number, because the mean of its divisors is an integer number (302481792).

Almost surely, 2^2117090927 is an apocalyptic number.

2117090927 is a deficient number, since it is larger than the sum of its proper divisors (302763409).

2117090927 is a wasteful number, since it uses less digits than its factorization.

2117090927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40237.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 2117090927 is about 46011.8563741999. The cubic root of 2117090927 is about 1284.0437964037.

The spelling of 2117090927 in words is "two billion, one hundred seventeen million, ninety thousand, nine hundred twenty-seven".