85453533567885 has 32 divisors (see below), whose sum is σ = 158398409007360. Its totient is φ = 38529342724608.

The previous prime is 85453533567877. The next prime is 85453533567887. The reversal of 85453533567885 is 58876533535458.

It is not a de Polignac number, because 85453533567885 - 2³ = 85453533567877 is a prime.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85453533567887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5574260670 + ... + 5574275999.

It is an arithmetic number, because the mean of its divisors is an integer number (4949950281480).

Almost surely, 2^{85453533567885} is an apocalyptic number.

It is an amenable number.

85453533567885 is a deficient number, since it is larger than the sum of its proper divisors (72944875439475).

85453533567885 is a wasteful number, since it uses less digits than its factorization.

85453533567885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11148536757.

The product of its digits is 7257600000, while the sum is 75.

The spelling of 85453533567885 in words is "eighty-five trillion, four hundred fifty-three billion, five hundred thirty-three million, five hundred sixty-seven thousand, eight hundred eighty-five".