85371586 has 16 divisors (see below), whose sum is σ = 135761400. Its totient is φ = 40124160.

The previous prime is 85371571. The next prime is 85371589. The reversal of 85371586 is 68517358.

It can be written as a sum of positive squares in 4 ways, for example, as 82464561 + 2907025 = 9081^2 + 1705^2 .

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (85371589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51856 + ... + 53476.

Almost surely, 2^85371586 is an apocalyptic number.

85371586 is a deficient number, since it is larger than the sum of its proper divisors (50389814).

85371586 is a wasteful number, since it uses less digits than its factorization.

85371586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189.

The product of its digits is 201600, while the sum is 43.

The square root of 85371586 is about 9239.6745613685. The cubic root of 85371586 is about 440.3227418597.

The spelling of 85371586 in words is "eighty-five million, three hundred seventy-one thousand, five hundred eighty-six".