85919856 has 40 divisors (see below), whose sum is σ = 242139264. Its totient is φ = 26036160.

The previous prime is 85919851. The next prime is 85919863. The reversal of 85919856 is 65891958.

It is a junction number, because it is equal to n+sod(n) for n = 85919799 and 85919808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85919851) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 80836 + ... + 81891.

Almost surely, 2^85919856 is an apocalyptic number.

It is an amenable number.

85919856 is an abundant number, since it is smaller than the sum of its proper divisors (156219408).

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

85919856 is a wasteful number, since it uses less digits than its factorization.

85919856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162749 (or 162743 counting only the distinct ones).

The product of its digits is 777600, while the sum is 51.

The square root of 85919856 is about 9269.2964134286. The cubic root of 85919856 is about 441.2633388954.

The spelling of 85919856 in words is "eighty-five million, nine hundred nineteen thousand, eight hundred fifty-six".