85642606068 has 24 divisors (see below), whose sum is σ = 199838263968. Its totient is φ = 28546747296.

The previous prime is 85642606033. The next prime is 85642606099. The reversal of 85642606068 is 86060624658.

It is a self number, because there is not a number n which added to its sum of digits gives 85642606068.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499530 + ... + 648702.

It is an arithmetic number, because the mean of its divisors is an integer number (8326594332).

Almost surely, 2^85642606068 is an apocalyptic number.

It is an amenable number.

85642606068 is an abundant number, since it is smaller than the sum of its proper divisors (114195657900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85642606068 is a wasteful number, since it uses less digits than its factorization.

85642606068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197023 (or 197021 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 85642606068 in words is "eighty-five billion, six hundred forty-two million, six hundred six thousand, sixty-eight".