84116917 has 2 divisors, whose sum is σ = 84116918. Its totient is φ = 84116916.

The previous prime is 84116827. The next prime is 84116983. The reversal of 84116917 is 71961148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65918161 + 18198756 = 8119^2 + 4266^2 .

It is a cyclic number.

It is not a de Polignac number, because 84116917 - 2¹⁵ = 84084149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84116117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42058458 + 42058459.

It is an arithmetic number, because the mean of its divisors is an integer number (42058459).

Almost surely, 2^84116917 is an apocalyptic number.

It is an amenable number.

84116917 is a deficient number, since it is larger than the sum of its proper divisors (1).

84116917 is an equidigital number, since it uses as much as digits as its factorization.

84116917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 37.

The square root of 84116917 is about 9171.5275172678. The cubic root of 84116917 is about 438.1550103612.

The spelling of 84116917 in words is "eighty-four million, one hundred sixteen thousand, nine hundred seventeen".