85471887421533 has 64 divisors (see below), whose sum is σ = 125258259409920. Its totient is φ = 51649943155200.

The previous prime is 85471887421471. The next prime is 85471887421573. The reversal of 85471887421533 is 33512478817458.

It is not a de Polignac number, because 85471887421533 - 2³⁶ = 85403167944797 is a prime.

It is a super-2 number, since 2×85471887421533² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85471887421573) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 293528910 + ... + 293819952.

It is an arithmetic number, because the mean of its divisors is an integer number (1957160303280).

Almost surely, 2^{85471887421533} is an apocalyptic number.

It is an amenable number.

85471887421533 is a deficient number, since it is larger than the sum of its proper divisors (39786371988387).

85471887421533 is a wasteful number, since it uses less digits than its factorization.

85471887421533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293530.

The product of its digits is 180633600, while the sum is 66.

The spelling of 85471887421533 in words is "eighty-five trillion, four hundred seventy-one billion, eight hundred eighty-seven million, four hundred twenty-one thousand, five hundred thirty-three".