85480117 has 2 divisors, whose sum is σ = 85480118. Its totient is φ = 85480116.

The previous prime is 85480103. The next prime is 85480163. The reversal of 85480117 is 71108458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50893956 + 34586161 = 7134^2 + 5881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85480117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85480217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42740058 + 42740059.

It is an arithmetic number, because the mean of its divisors is an integer number (42740059).

Almost surely, 2^85480117 is an apocalyptic number.

It is an amenable number.

85480117 is a deficient number, since it is larger than the sum of its proper divisors (1).

85480117 is an equidigital number, since it uses as much as digits as its factorization.

85480117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 85480117 is about 9245.5457924343. The cubic root of 85480117 is about 440.5092536846.

The spelling of 85480117 in words is "eighty-five million, four hundred eighty thousand, one hundred seventeen".