85582858 has 4 divisors (see below), whose sum is σ = 128374290. Its totient is φ = 42791428.

The previous prime is 85582837. The next prime is 85582891. The reversal of 85582858 is 85828558.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 82682649 + 2900209 = 9093^2 + 1703^2 .

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 as a sum of consecutive naturals, namely, 21395713 + ... + 21395716.

Almost surely, 2^85582858 is an apocalyptic number.

85582858 is a deficient number, since it is larger than the sum of its proper divisors (42791432).

85582858 is a wasteful number, since it uses less digits than its factorization.

85582858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42791431.

The product of its digits is 1024000, while the sum is 49.

The square root of 85582858 is about 9251.1003669834. The cubic root of 85582858 is about 440.6856699183.

The spelling of 85582858 in words is "eighty-five million, five hundred eighty-two thousand, eight hundred fifty-eight".