85805572778348 has 12 divisors (see below), whose sum is σ = 150562325427360. Its totient is φ = 42787765513392.

The previous prime is 85805572778339. The next prime is 85805572778351. The reversal of 85805572778348 is 84387727550858.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28755217268 + ... + 28755220251.

It is an arithmetic number, because the mean of its divisors is an integer number (12546860452280).

Almost surely, 2^{85805572778348} is an apocalyptic number.

It is an amenable number.

85805572778348 is a deficient number, since it is larger than the sum of its proper divisors (64756752649012).

85805572778348 is a wasteful number, since it uses less digits than its factorization.

85805572778348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57510437896 (or 57510437894 counting only the distinct ones).

The product of its (nonzero) digits is 4214784000, while the sum is 77.

The spelling of 85805572778348 in words is "eighty-five trillion, eight hundred five billion, five hundred seventy-two million, seven hundred seventy-eight thousand, three hundred forty-eight".