117619871 has 2 divisors, whose sum is σ = 117619872. Its totient is φ = 117619870.

The previous prime is 117619867. The next prime is 117619877. The reversal of 117619871 is 178916711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117619871 - 2² = 117619867 is a prime.

It is a super-3 number, since 3×117619871³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117619877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58809935 + 58809936.

It is an arithmetic number, because the mean of its divisors is an integer number (58809936).

Almost surely, 2^117619871 is an apocalyptic number.

117619871 is a deficient number, since it is larger than the sum of its proper divisors (1).

117619871 is an equidigital number, since it uses as much as digits as its factorization.

117619871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 41.

The square root of 117619871 is about 10845.2695217777. The cubic root of 117619871 is about 489.9595565676.

The spelling of 117619871 in words is "one hundred seventeen million, six hundred nineteen thousand, eight hundred seventy-one".