85207347 has 12 divisors (see below), whose sum is σ = 123195384. Its totient is φ = 56750400.

The previous prime is 85207277. The next prime is 85207361. The reversal of 85207347 is 74370258.

It is not a de Polignac number, because 85207347 - 2¹¹ = 85205299 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (85207147) 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 11 ways as a sum of consecutive naturals, for example, 6868 + ... + 14750.

It is an arithmetic number, because the mean of its divisors is an integer number (10266282).

Almost surely, 2^85207347 is an apocalyptic number.

85207347 is a deficient number, since it is larger than the sum of its proper divisors (37988037).

85207347 is a wasteful number, since it uses less digits than its factorization.

85207347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9090 (or 9087 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 85207347 is about 9230.7825778750. The cubic root of 85207347 is about 440.0401943309.

The spelling of 85207347 in words is "eighty-five million, two hundred seven thousand, three hundred forty-seven".