85862881856468 has 6 divisors (see below), whose sum is σ = 150260043248826. Its totient is φ = 42931440928232.

The previous prime is 85862881856459. The next prime is 85862881856509. The reversal of 85862881856468 is 86465818826858.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 74862329899204 + 11000551957264 = 8652302^2 + 3316708^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10732860232055 + ... + 10732860232062.

It is an arithmetic number, because the mean of its divisors is an integer number (25043340541471).

Almost surely, 2^{85862881856468} is an apocalyptic number.

It is an amenable number.

85862881856468 is a deficient number, since it is larger than the sum of its proper divisors (64397161392358).

85862881856468 is a wasteful number, since it uses less digits than its factorization.

85862881856468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21465720464121 (or 21465720464119 counting only the distinct ones).

The product of its digits is 11324620800, while the sum is 83.

The spelling of 85862881856468 in words is "eighty-five trillion, eight hundred sixty-two billion, eight hundred eighty-one million, eight hundred fifty-six thousand, four hundred sixty-eight".