117722471 has 2 divisors, whose sum is σ = 117722472. Its totient is φ = 117722470.

The previous prime is 117722447. The next prime is 117722483. The reversal of 117722471 is 174227711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117722471 is a prime.

It is a super-3 number, since 3×117722471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117722411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58861235 + 58861236.

It is an arithmetic number, because the mean of its divisors is an integer number (58861236).

Almost surely, 2^117722471 is an apocalyptic number.

117722471 is a deficient number, since it is larger than the sum of its proper divisors (1).

117722471 is an equidigital number, since it uses as much as digits as its factorization.

117722471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5488, while the sum is 32.

The square root of 117722471 is about 10849.9986635944. The cubic root of 117722471 is about 490.1019793298.

The spelling of 117722471 in words is "one hundred seventeen million, seven hundred twenty-two thousand, four hundred seventy-one".