117218083 has 2 divisors, whose sum is σ = 117218084. Its totient is φ = 117218082.

The previous prime is 117218081. The next prime is 117218107. The reversal of 117218083 is 380812711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117218083 - 2¹ = 117218081 is a prime.

It is a super-3 number, since 3×117218083³ (a number of 25 digits) contains 333 as substring.

Together with 117218081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117218081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58609041 + 58609042.

It is an arithmetic number, because the mean of its divisors is an integer number (58609042).

Almost surely, 2^117218083 is an apocalyptic number.

117218083 is a deficient number, since it is larger than the sum of its proper divisors (1).

117218083 is an equidigital number, since it uses as much as digits as its factorization.

117218083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 117218083 is about 10826.7300234189. The cubic root of 117218083 is about 489.4010215401.

The spelling of 117218083 in words is "one hundred seventeen million, two hundred eighteen thousand, eighty-three".