85804758261641 has 16 divisors (see below), whose sum is σ = 92787208542720. Its totient is φ = 79037397719040.

The previous prime is 85804758261637. The next prime is 85804758261721. The reversal of 85804758261641 is 14616285740858.

It is a cyclic number.

It is not a de Polignac number, because 85804758261641 - 2² = 85804758261637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85804758861641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34993700 + ... + 37365338.

It is an arithmetic number, because the mean of its divisors is an integer number (5799200533920).

Almost surely, 2^{85804758261641} is an apocalyptic number.

It is an amenable number.

85804758261641 is a deficient number, since it is larger than the sum of its proper divisors (6982450281079).

85804758261641 is a wasteful number, since it uses less digits than its factorization.

85804758261641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416984.

The product of its (nonzero) digits is 103219200, while the sum is 65.

The spelling of 85804758261641 in words is "eighty-five trillion, eight hundred four billion, seven hundred fifty-eight million, two hundred sixty-one thousand, six hundred forty-one".