85264775 has 24 divisors (see below), whose sum is σ = 112448160. Its totient is φ = 63912960.

The previous prime is 85264771. The next prime is 85264783. The reversal of 85264775 is 57746258.

It is not a de Polignac number, because 85264775 - 2² = 85264771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85264771) 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 23 ways as a sum of consecutive naturals, for example, 186347 + ... + 186803.

It is an arithmetic number, because the mean of its divisors is an integer number (4685340).

Almost surely, 2^85264775 is an apocalyptic number.

85264775 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

85264775 is a deficient number, since it is larger than the sum of its proper divisors (27183385).

85264775 is a wasteful number, since it uses less digits than its factorization.

85264775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 918 counting only the distinct ones).

The product of its digits is 470400, while the sum is 44.

The square root of 85264775 is about 9233.8927327536. The cubic root of 85264775 is about 440.1390314773.

The spelling of 85264775 in words is "eighty-five million, two hundred sixty-four thousand, seven hundred seventy-five".