85854916428 has 96 divisors (see below), whose sum is σ = 212789821440. Its totient is φ = 26866002240.

The previous prime is 85854916379. The next prime is 85854916463. The reversal of 85854916428 is 82461945858.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37149393 + ... + 37151703.

It is an arithmetic number, because the mean of its divisors is an integer number (2216560640).

Almost surely, 2^85854916428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85854916428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106394910720).

85854916428 is an abundant number, since it is smaller than the sum of its proper divisors (126934905012).

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

85854916428 is a wasteful number, since it uses less digits than its factorization.

85854916428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747 (or 3745 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 60.

The spelling of 85854916428 in words is "eighty-five billion, eight hundred fifty-four million, nine hundred sixteen thousand, four hundred twenty-eight".