85356288892 has 36 divisors (see below), whose sum is σ = 173151131440. Its totient is φ = 36065977920.

The previous prime is 85356288881. The next prime is 85356288893. The reversal of 85356288892 is 29888265358.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85356288893) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 161217 + ... + 443512.

Almost surely, 2^85356288892 is an apocalyptic number.

It is an amenable number.

85356288892 is an abundant number, since it is smaller than the sum of its proper divisors (87794842548).

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

85356288892 is a wasteful number, since it uses less digits than its factorization.

85356288892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604882 (or 604809 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 64.

The spelling of 85356288892 in words is "eighty-five billion, three hundred fifty-six million, two hundred eighty-eight thousand, eight hundred ninety-two".