85605321692 has 24 divisors (see below), whose sum is σ = 163449414912. Its totient is φ = 38906492400.

The previous prime is 85605321689. The next prime is 85605321727. The reversal of 85605321692 is 29612350658.

It is a super-2 number, since 2×85605321692² (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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231053 + ... + 473915.

It is an arithmetic number, because the mean of its divisors is an integer number (6810392288).

Almost surely, 2^85605321692 is an apocalyptic number.

It is an amenable number.

85605321692 is a deficient number, since it is larger than the sum of its proper divisors (77844093220).

85605321692 is a wasteful number, since it uses less digits than its factorization.

85605321692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250889 (or 250887 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 85605321692 in words is "eighty-five billion, six hundred five million, three hundred twenty-one thousand, six hundred ninety-two".