85752791 has 6 divisors (see below), whose sum is σ = 88134480. Its totient is φ = 83433816.

The previous prime is 85752773. The next prime is 85752803. The reversal of 85752791 is 19725758.

It is not a de Polignac number, because 85752791 - 2¹⁴ = 85736407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85752701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29951 + ... + 32688.

It is an arithmetic number, because the mean of its divisors is an integer number (14689080).

Almost surely, 2^85752791 is an apocalyptic number.

85752791 is a deficient number, since it is larger than the sum of its proper divisors (2381689).

85752791 is an equidigital number, since it uses as much as digits as its factorization.

85752791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62713 (or 62676 counting only the distinct ones).

The product of its digits is 176400, while the sum is 44.

The square root of 85752791 is about 9260.2802873347. The cubic root of 85752791 is about 440.9771516829.

The spelling of 85752791 in words is "eighty-five million, seven hundred fifty-two thousand, seven hundred ninety-one".