85811488884563 has 8 divisors (see below), whose sum is σ = 92413454070000. Its totient is φ = 79209678188448.

The previous prime is 85811488884557. The next prime is 85811488884601. The reversal of 85811488884563 is 36548888411858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85811488884563 - 2⁴ = 85811488884547 is a prime.

It is a super-2 number, since 2×85811488884563² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85811488884263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37467413 + ... + 39691686.

It is an arithmetic number, because the mean of its divisors is an integer number (11551681758750).

Almost surely, 2^{85811488884563} is an apocalyptic number.

85811488884563 is a deficient number, since it is larger than the sum of its proper divisors (6601965185437).

85811488884563 is a wasteful number, since it uses less digits than its factorization.

85811488884563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77244661.

The product of its digits is 1887436800, while the sum is 77.

The spelling of 85811488884563 in words is "eighty-five trillion, eight hundred eleven billion, four hundred eighty-eight million, eight hundred eighty-four thousand, five hundred sixty-three".