85011747 has 8 divisors (see below), whose sum is σ = 120016656. Its totient is φ = 53340672.

The previous prime is 85011721. The next prime is 85011761. The reversal of 85011747 is 74711058.

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

It is not a de Polignac number, because 85011747 - 2⁶ = 85011683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85081747) 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 7 ways as a sum of consecutive naturals, for example, 833398 + ... + 833499.

It is an arithmetic number, because the mean of its divisors is an integer number (15002082).

Almost surely, 2^85011747 is an apocalyptic number.

85011747 is a deficient number, since it is larger than the sum of its proper divisors (35004909).

85011747 is a wasteful number, since it uses less digits than its factorization.

85011747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666917.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 85011747 is about 9220.1815058056. The cubic root of 85011747 is about 439.7032210115.

It can be divided in two parts, 85011 and 747, that added together give a palindrome (85758).

The spelling of 85011747 in words is "eighty-five million, eleven thousand, seven hundred forty-seven".