85584500813 has 16 divisors (see below), whose sum is σ = 98461555200. Its totient is φ = 72870385536.

The previous prime is 85584500801. The next prime is 85584500843. The reversal of 85584500813 is 31800548558.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 85584500813 - 2¹² = 85584496717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85584500843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4896113 + ... + 4913561.

It is an arithmetic number, because the mean of its divisors is an integer number (6153847200).

Almost surely, 2^85584500813 is an apocalyptic number.

It is an amenable number.

85584500813 is a deficient number, since it is larger than the sum of its proper divisors (12877054387).

85584500813 is a wasteful number, since it uses less digits than its factorization.

85584500813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22076.

The product of its (nonzero) digits is 768000, while the sum is 47.

The spelling of 85584500813 in words is "eighty-five billion, five hundred eighty-four million, five hundred thousand, eight hundred thirteen".