85227579 has 16 divisors (see below), whose sum is σ = 133691040. Its totient is φ = 53475840.

The previous prime is 85227509. The next prime is 85227589. The reversal of 85227579 is 97572258.

It is a happy number.

85227579 is a `hidden beast` number, since 8 + 52 + 27 + 579 = 666.

It is not a de Polignac number, because 85227579 - 2⁸ = 85227323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85227509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92382 + ... + 93299.

It is an arithmetic number, because the mean of its divisors is an integer number (8355690).

Almost surely, 2^85227579 is an apocalyptic number.

85227579 is a deficient number, since it is larger than the sum of its proper divisors (48463461).

85227579 is a wasteful number, since it uses less digits than its factorization.

85227579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185707 (or 185701 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 85227579 is about 9231.8784112444. The cubic root of 85227579 is about 440.0750199219.

The spelling of 85227579 in words is "eighty-five million, two hundred twenty-seven thousand, five hundred seventy-nine".