85004403738471 has 40 divisors (see below), whose sum is σ = 145165363875840. Its totient is φ = 48559483070352.

The previous prime is 85004403738433. The next prime is 85004403738491. The reversal of 85004403738471 is 17483730440058.

85004403738471 is a `hidden beast` number, since 8 + 50 + 0 + 440 + 3 + 7 + 3 + 84 + 71 = 666.

It is not a de Polignac number, because 85004403738471 - 2⁷ = 85004403738343 is a prime.

It is a super-3 number, since 3×85004403738471³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85004403738491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20411551 + ... + 24220656.

It is an arithmetic number, because the mean of its divisors is an integer number (3629134096896).

Almost surely, 2^{85004403738471} is an apocalyptic number.

85004403738471 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

85004403738471 is a deficient number, since it is larger than the sum of its proper divisors (60160960137369).

85004403738471 is a wasteful number, since it uses less digits than its factorization.

85004403738471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44635585 (or 44635576 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 85004403738471 in words is "eighty-five trillion, four billion, four hundred three million, seven hundred thirty-eight thousand, four hundred seventy-one".