85491982 has 16 divisors (see below), whose sum is σ = 135705600. Its totient is φ = 40280760.

The previous prime is 85491961. The next prime is 85492009. The reversal of 85491982 is 28919458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369 + ... + 13147.

It is an arithmetic number, because the mean of its divisors is an integer number (8481600).

Almost surely, 2^85491982 is an apocalyptic number.

85491982 is a deficient number, since it is larger than the sum of its proper divisors (50213618).

85491982 is a wasteful number, since it uses less digits than its factorization.

85491982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11991.

The product of its digits is 207360, while the sum is 46.

The square root of 85491982 is about 9246.1874305035. The cubic root of 85491982 is about 440.5296342545.

The spelling of 85491982 in words is "eighty-five million, four hundred ninety-one thousand, nine hundred eighty-two".