85664270 has 8 divisors (see below), whose sum is σ = 154195704. Its totient is φ = 34265704.

The previous prime is 85664177. The next prime is 85664281. The reversal of 85664270 is 7246658.

It is a happy number.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4283204 + ... + 4283223.

It is an arithmetic number, because the mean of its divisors is an integer number (19274463).

Almost surely, 2^85664270 is an apocalyptic number.

85664270 is a deficient number, since it is larger than the sum of its proper divisors (68531434).

85664270 is a wasteful number, since it uses less digits than its factorization.

85664270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8566434.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 85664270 is about 9255.4994462752. The cubic root of 85664270 is about 440.8253619563.

The spelling of 85664270 in words is "eighty-five million, six hundred sixty-four thousand, two hundred seventy".