85847044416 has 112 divisors (see below), whose sum is σ = 270871517184. Its totient is φ = 23461295616.

The previous prime is 85847044411. The next prime is 85847044447. The reversal of 85847044416 is 61444074858.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85847044411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357660 + ... + 1419483.

Almost surely, 2^85847044416 is an apocalyptic number.

It is an amenable number.

85847044416 is an abundant number, since it is smaller than the sum of its proper divisors (185024472768).

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

85847044416 is a wasteful number, since it uses less digits than its factorization.

85847044416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777188 (or 2777178 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 51.

The spelling of 85847044416 in words is "eighty-five billion, eight hundred forty-seven million, forty-four thousand, four hundred sixteen".