83404117 has 2 divisors, whose sum is σ = 83404118. Its totient is φ = 83404116.

The previous prime is 83404109. The next prime is 83404121. The reversal of 83404117 is 71140438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52867441 + 30536676 = 7271^2 + 5526^2 .

It is a cyclic number.

It is not a de Polignac number, because 83404117 - 2³ = 83404109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83404157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41702058 + 41702059.

It is an arithmetic number, because the mean of its divisors is an integer number (41702059).

Almost surely, 2^83404117 is an apocalyptic number.

It is an amenable number.

83404117 is a deficient number, since it is larger than the sum of its proper divisors (1).

83404117 is an equidigital number, since it uses as much as digits as its factorization.

83404117 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 28.

The square root of 83404117 is about 9132.5854499150. The cubic root of 83404117 is about 436.9138678261.

It can be divided in two parts, 83404 and 117, that added together give a 4-th power (83521 = 17⁴).

The spelling of 83404117 in words is "eighty-three million, four hundred four thousand, one hundred seventeen".