85318658 has 8 divisors (see below), whose sum is σ = 130392828. Its totient is φ = 41854384.

The previous prime is 85318643. The next prime is 85318669. The reversal of 85318658 is 85681358.

It can be written as a sum of positive squares in 2 ways, for example, as 82210489 + 3108169 = 9067^2 + 1763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402341 + ... + 402552.

Almost surely, 2^85318658 is an apocalyptic number.

85318658 is a deficient number, since it is larger than the sum of its proper divisors (45074170).

85318658 is a wasteful number, since it uses less digits than its factorization.

85318658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804948.

The product of its digits is 230400, while the sum is 44.

The square root of 85318658 is about 9236.8099471625. The cubic root of 85318658 is about 440.2317271125.

The spelling of 85318658 in words is "eighty-five million, three hundred eighteen thousand, six hundred fifty-eight".