85804758088481 has 4 divisors (see below), whose sum is σ = 85806687066672. Its totient is φ = 85802829110292.

The previous prime is 85804758088451. The next prime is 85804758088571. The reversal of 85804758088481 is 18488085740858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85804758088481 - 2²² = 85804753894177 is a prime.

It is a super-2 number, since 2×85804758088481² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85804758088399 and 85804758088408.

It is not an unprimeable number, because it can be changed into a prime (85804758088451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964422371 + ... + 964511336.

It is an arithmetic number, because the mean of its divisors is an integer number (21451671766668).

Almost surely, 2^{85804758088481} is an apocalyptic number.

It is an amenable number.

85804758088481 is a deficient number, since it is larger than the sum of its proper divisors (1928978191).

85804758088481 is a wasteful number, since it uses less digits than its factorization.

85804758088481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928978190.

The product of its (nonzero) digits is 734003200, while the sum is 74.

The spelling of 85804758088481 in words is "eighty-five trillion, eight hundred four billion, seven hundred fifty-eight million, eighty-eight thousand, four hundred eighty-one".