85605158 has 16 divisors (see below), whose sum is σ = 133375680. Its totient is φ = 41158656.

The previous prime is 85605151. The next prime is 85605173. The reversal of 85605158 is 85150658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85605151) 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 7 ways as a sum of consecutive naturals, for example, 12035 + ... + 17777.

It is an arithmetic number, because the mean of its divisors is an integer number (8335980).

Almost surely, 2^85605158 is an apocalyptic number.

85605158 is a deficient number, since it is larger than the sum of its proper divisors (47770522).

85605158 is a wasteful number, since it uses less digits than its factorization.

85605158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031.

The product of its (nonzero) digits is 48000, while the sum is 38.

The square root of 85605158 is about 9252.3055505101. The cubic root of 85605158 is about 440.7239425243.

The spelling of 85605158 in words is "eighty-five million, six hundred five thousand, one hundred fifty-eight".