85668555071 has 16 divisors (see below), whose sum is σ = 93815856288. Its totient is φ = 77581363200.

The previous prime is 85668555053. The next prime is 85668555079. The reversal of 85668555071 is 17055586658.

It is not a de Polignac number, because 85668555071 - 2²² = 85664360767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85668554998 and 85668555016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85668555079) 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 15 ways as a sum of consecutive naturals, for example, 10493231 + ... + 10501391.

It is an arithmetic number, because the mean of its divisors is an integer number (5863491018).

Almost surely, 2^85668555071 is an apocalyptic number.

85668555071 is a deficient number, since it is larger than the sum of its proper divisors (8147301217).

85668555071 is a wasteful number, since it uses less digits than its factorization.

85668555071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11722.

The product of its (nonzero) digits is 10080000, while the sum is 56.

The spelling of 85668555071 in words is "eighty-five billion, six hundred sixty-eight million, five hundred fifty-five thousand, seventy-one".