85918586 has 12 divisors (see below), whose sum is σ = 139554702. Its totient is φ = 39654576.

The previous prime is 85918571. The next prime is 85918597. The reversal of 85918586 is 68581958.

It can be written as a sum of positive squares in 3 ways, for example, as 13140625 + 72777961 = 3625^2 + 8531^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126761 + ... + 127436.

Almost surely, 2^85918586 is an apocalyptic number.

85918586 is a deficient number, since it is larger than the sum of its proper divisors (53636116).

85918586 is a wasteful number, since it uses less digits than its factorization.

85918586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254225 (or 254212 counting only the distinct ones).

The product of its digits is 691200, while the sum is 50.

The square root of 85918586 is about 9269.2279074365. The cubic root of 85918586 is about 441.2611647484.

The spelling of 85918586 in words is "eighty-five million, nine hundred eighteen thousand, five hundred eighty-six".