85063581533 has 8 divisors (see below), whose sum is σ = 102332128320. Its totient is φ = 69074186400.

The previous prime is 85063581487. The next prime is 85063581583. The reversal of 85063581533 is 33518536058.

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 85063581533 - 2²⁰ = 85062532957 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 (85063581583) 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, 319787768 + ... + 319788033.

It is an arithmetic number, because the mean of its divisors is an integer number (12791516040).

Almost surely, 2^85063581533 is an apocalyptic number.

It is an amenable number.

85063581533 is a deficient number, since it is larger than the sum of its proper divisors (17268546787).

85063581533 is a wasteful number, since it uses less digits than its factorization.

85063581533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639575827.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 85063581533 in words is "eighty-five billion, sixty-three million, five hundred eighty-one thousand, five hundred thirty-three".