85497170 has 16 divisors (see below), whose sum is σ = 167885568. Its totient is φ = 31089840.

The previous prime is 85497151. The next prime is 85497229. The reversal of 85497170 is 7179458.

It is an unprimeable number.

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, 388514 + ... + 388733.

It is an arithmetic number, because the mean of its divisors is an integer number (10492848).

Almost surely, 2^85497170 is an apocalyptic number.

85497170 is a deficient number, since it is larger than the sum of its proper divisors (82388398).

85497170 is a wasteful number, since it uses less digits than its factorization.

85497170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777265.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 85497170 is about 9246.4679743132. The cubic root of 85497170 is about 440.5385451155.

The spelling of 85497170 in words is "eighty-five million, four hundred ninety-seven thousand, one hundred seventy".