85217270 has 16 divisors (see below), whose sum is σ = 157133088. Its totient is φ = 33255360.

The previous prime is 85217263. The next prime is 85217281. The reversal of 85217270 is 7271258.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103514 + ... + 104333.

It is an arithmetic number, because the mean of its divisors is an integer number (9820818).

Almost surely, 2^85217270 is an apocalyptic number.

85217270 is a deficient number, since it is larger than the sum of its proper divisors (71915818).

85217270 is a wasteful number, since it uses less digits than its factorization.

85217270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207895.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 85217270 is about 9231.3200572832. The cubic root of 85217270 is about 440.0572756019.

The spelling of 85217270 in words is "eighty-five million, two hundred seventeen thousand, two hundred seventy".