85344702881650 has 12 divisors (see below), whose sum is σ = 158741147359962. Its totient is φ = 34137881152640.

The previous prime is 85344702881623. The next prime is 85344702881663. The reversal of 85344702881650 is 5618820744358.

It can be written as a sum of positive squares in 3 ways, for example, as 60912452357449 + 24432250524201 = 7804643^2 + 4942899^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 853447028767 + ... + 853447028866.

Almost surely, 2^{85344702881650} is an apocalyptic number.

85344702881650 is a deficient number, since it is larger than the sum of its proper divisors (73396444478312).

85344702881650 is a wasteful number, since it uses less digits than its factorization.

85344702881650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706894057645 (or 1706894057640 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 61.

The spelling of 85344702881650 in words is "eighty-five trillion, three hundred forty-four billion, seven hundred two million, eight hundred eighty-one thousand, six hundred fifty".