85321322496 has 156 divisors (see below), whose sum is σ = 248241688240. Its totient is φ = 28234137600.

The previous prime is 85321322479. The next prime is 85321322557. The reversal of 85321322496 is 69422312358.

85321322496 is a `hidden beast` number, since 8 + 532 + 1 + 3 + 2 + 24 + 96 = 666.

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 11 ways as a sum of consecutive naturals, for example, 5115771 + ... + 5132421.

Almost surely, 2^85321322496 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 85321322496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124120844120).

85321322496 is an abundant number, since it is smaller than the sum of its proper divisors (162920365744).

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

85321322496 is a wasteful number, since it uses less digits than its factorization.

85321322496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16820 (or 16795 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 85321322496 in words is "eighty-five billion, three hundred twenty-one million, three hundred twenty-two thousand, four hundred ninety-six".