85165347 has 4 divisors (see below), whose sum is σ = 113553800. Its totient is φ = 56776896.

The previous prime is 85165337. The next prime is 85165349. The reversal of 85165347 is 74356158.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85165347 - 2⁴ = 85165331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85165349) 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 3 ways as a sum of consecutive naturals, for example, 14194222 + ... + 14194227.

It is an arithmetic number, because the mean of its divisors is an integer number (28388450).

Almost surely, 2^85165347 is an apocalyptic number.

85165347 is a deficient number, since it is larger than the sum of its proper divisors (28388453).

85165347 is a wasteful number, since it uses less digits than its factorization.

85165347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28388452.

The product of its digits is 100800, while the sum is 39.

The square root of 85165347 is about 9228.5073007502. The cubic root of 85165347 is about 439.9678816087.

The spelling of 85165347 in words is "eighty-five million, one hundred sixty-five thousand, three hundred forty-seven".