84476317 has 2 divisors, whose sum is σ = 84476318. Its totient is φ = 84476316.

The previous prime is 84476311. The next prime is 84476323. The reversal of 84476317 is 71367448.

It is a balanced prime because it is at equal distance from previous prime (84476311) and next prime (84476323).

It can be written as a sum of positive squares in only one way, i.e., 43375396 + 41100921 = 6586^2 + 6411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84476317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84476317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84476311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42238158 + 42238159.

It is an arithmetic number, because the mean of its divisors is an integer number (42238159).

Almost surely, 2^84476317 is an apocalyptic number.

It is an amenable number.

84476317 is a deficient number, since it is larger than the sum of its proper divisors (1).

84476317 is an equidigital number, since it uses as much as digits as its factorization.

84476317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 40.

The square root of 84476317 is about 9191.0998797750. The cubic root of 84476317 is about 438.7781476681.

The spelling of 84476317 in words is "eighty-four million, four hundred seventy-six thousand, three hundred seventeen".