85583156 has 12 divisors (see below), whose sum is σ = 151822692. Its totient is φ = 42205248.

The previous prime is 85583143. The next prime is 85583159. The reversal of 85583156 is 65138558.

It can be written as a sum of positive squares in 2 ways, for example, as 17355556 + 68227600 = 4166^2 + 8260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85583159) 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 3 ways as a sum of consecutive naturals, for example, 146255 + ... + 146838.

It is an arithmetic number, because the mean of its divisors is an integer number (12651891).

Almost surely, 2^85583156 is an apocalyptic number.

It is an amenable number.

85583156 is a deficient number, since it is larger than the sum of its proper divisors (66239536).

85583156 is a wasteful number, since it uses less digits than its factorization.

85583156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293170 (or 293168 counting only the distinct ones).

The product of its digits is 144000, while the sum is 41.

The square root of 85583156 is about 9251.1164731615. The cubic root of 85583156 is about 440.6861814077.

The spelling of 85583156 in words is "eighty-five million, five hundred eighty-three thousand, one hundred fifty-six".