85681104 has 20 divisors (see below), whose sum is σ = 221342976. Its totient is φ = 28560352.

The previous prime is 85681093. The next prime is 85681121. The reversal of 85681104 is 40118658.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892464 + ... + 892559.

Almost surely, 2^85681104 is an apocalyptic number.

It is an amenable number.

85681104 is an abundant number, since it is smaller than the sum of its proper divisors (135661872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85681104 is a wasteful number, since it uses less digits than its factorization.

85681104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785034 (or 1785028 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 85681104 is about 9256.4088068754. The cubic root of 85681104 is about 440.8542357917.

The spelling of 85681104 in words is "eighty-five million, six hundred eighty-one thousand, one hundred four".