85488673 has 2 divisors, whose sum is σ = 85488674. Its totient is φ = 85488672.

The previous prime is 85488647. The next prime is 85488679. The reversal of 85488673 is 37688458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81848209 + 3640464 = 9047^2 + 1908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85488673 is a prime.

It is a super-3 number, since 3×85488673³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (85488679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42744336 + 42744337.

It is an arithmetic number, because the mean of its divisors is an integer number (42744337).

Almost surely, 2^85488673 is an apocalyptic number.

It is an amenable number.

85488673 is a deficient number, since it is larger than the sum of its proper divisors (1).

85488673 is an equidigital number, since it uses as much as digits as its factorization.

85488673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 49.

The square root of 85488673 is about 9246.0084901540. The cubic root of 85488673 is about 440.5239505583.

The spelling of 85488673 in words is "eighty-five million, four hundred eighty-eight thousand, six hundred seventy-three".