85191682 has 8 divisors (see below), whose sum is σ = 129053052. Its totient is φ = 42174000.

The previous prime is 85191679. The next prime is 85191707. The reversal of 85191682 is 28619158.

It can be written as a sum of positive squares in 2 ways, for example, as 72948681 + 12243001 = 8541^2 + 3499^2 .

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, 210669 + ... + 211072.

Almost surely, 2^85191682 is an apocalyptic number.

85191682 is a deficient number, since it is larger than the sum of its proper divisors (43861370).

85191682 is a wasteful number, since it uses less digits than its factorization.

85191682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421844.

The product of its digits is 34560, while the sum is 40.

The square root of 85191682 is about 9229.9340192658. The cubic root of 85191682 is about 440.0132261864.

It can be divided in two parts, 8519 and 1682, that added together give a palindrome (10201).

The spelling of 85191682 in words is "eighty-five million, one hundred ninety-one thousand, six hundred eighty-two".