85351921232 has 20 divisors (see below), whose sum is σ = 165376888416. Its totient is φ = 42674014560.

The previous prime is 85351921229. The next prime is 85351921253. The reversal of 85351921232 is 23212915358.

It is a self number, because there is not a number n which added to its sum of digits gives 85351921232.

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 3 ways as a sum of consecutive naturals, for example, 280493 + ... + 499379.

Almost surely, 2^85351921232 is an apocalyptic number.

It is an amenable number.

85351921232 is a deficient number, since it is larger than the sum of its proper divisors (80024967184).

85351921232 is a wasteful number, since it uses less digits than its factorization.

85351921232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243266 (or 243260 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The spelling of 85351921232 in words is "eighty-five billion, three hundred fifty-one million, nine hundred twenty-one thousand, two hundred thirty-two".