85323905564836 has 27 divisors (see below), whose sum is σ = 149908436479137. Its totient is φ = 42493588270080.

The previous prime is 85323905564819. The next prime is 85323905564851. The reversal of 85323905564836 is 63846550932358.

The square root of 85323905564836 is 9237094.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 84001074344100 + 1322831220736 = 9165210^2 + 1150144^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4747857331 + ... + 4747875301.

Almost surely, 2^{85323905564836} is an apocalyptic number.

85323905564836 is the 9237094-th square number.

It is an amenable number.

85323905564836 is a deficient number, since it is larger than the sum of its proper divisors (64584530914301).

85323905564836 is an frugal number, since it uses more digits than its factorization.

85323905564836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36460 (or 18230 counting only the distinct ones).

The product of its (nonzero) digits is 559872000, while the sum is 67.

The spelling of 85323905564836 in words is "eighty-five trillion, three hundred twenty-three billion, nine hundred five million, five hundred sixty-four thousand, eight hundred thirty-six".