85298817 has 8 divisors (see below), whose sum is σ = 114204640. Its totient is φ = 56629440.

The previous prime is 85298777. The next prime is 85298867. The reversal of 85298817 is 71889258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85298817 - 2²⁴ = 68521601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85298867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58267 + ... + 59712.

It is an arithmetic number, because the mean of its divisors is an integer number (14275580).

Almost surely, 2^85298817 is an apocalyptic number.

It is an amenable number.

85298817 is a deficient number, since it is larger than the sum of its proper divisors (28905823).

85298817 is a wasteful number, since it uses less digits than its factorization.

85298817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118223.

The product of its digits is 322560, while the sum is 48.

The square root of 85298817 is about 9235.7358667298. The cubic root of 85298817 is about 440.1975989195.

The spelling of 85298817 in words is "eighty-five million, two hundred ninety-eight thousand, eight hundred seventeen".