85942585936 has 20 divisors (see below), whose sum is σ = 166518836532. Its totient is φ = 42969982976.

The previous prime is 85942585907. The next prime is 85942585957. The reversal of 85942585936 is 63958524958.

It can be written as a sum of positive squares in 2 ways, for example, as 19813377600 + 66129208336 = 140760^2 + 257156^2 .

It is a super-2 number, since 2×85942585936² (a number of 23 digits) contains 22 as substring.

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, 666846 + ... + 785218.

Almost surely, 2^85942585936 is an apocalyptic number.

It is an amenable number.

85942585936 is a deficient number, since it is larger than the sum of its proper divisors (80576250596).

85942585936 is a wasteful number, since it uses less digits than its factorization.

85942585936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163758 (or 163752 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 64.

The spelling of 85942585936 in words is "eighty-five billion, nine hundred forty-two million, five hundred eighty-five thousand, nine hundred thirty-six".