84334475317 has 2 divisors, whose sum is σ = 84334475318. Its totient is φ = 84334475316.

The previous prime is 84334475273. The next prime is 84334475339. The reversal of 84334475317 is 71357443348.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78332254641 + 6002220676 = 279879^2 + 77474^2 .

It is a cyclic number.

It is not a de Polignac number, because 84334475317 - 2³¹ = 82186991669 is a prime.

It is a super-3 number, since 3×84334475317³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84334475717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42167237658 + 42167237659.

It is an arithmetic number, because the mean of its divisors is an integer number (42167237659).

Almost surely, 2^84334475317 is an apocalyptic number.

It is an amenable number.

84334475317 is a deficient number, since it is larger than the sum of its proper divisors (1).

84334475317 is an equidigital number, since it uses as much as digits as its factorization.

84334475317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 49.

The spelling of 84334475317 in words is "eighty-four billion, three hundred thirty-four million, four hundred seventy-five thousand, three hundred seventeen".