85706075536 has 15 divisors (see below), whose sum is σ = 166057790241. Its totient is φ = 42852452256.

The previous prime is 85706075453. The next prime is 85706075549. The reversal of 85706075536 is 63557060758.

The square root of 85706075536 is 292756.

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., 84357717136 + 1348358400 = 290444^2 + 36720^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1134430 + ... + 1207618.

Almost surely, 2^85706075536 is an apocalyptic number.

85706075536 is the 292756-th square number.

It is an amenable number.

85706075536 is a deficient number, since it is larger than the sum of its proper divisors (80351714705).

85706075536 is an frugal number, since it uses more digits than its factorization.

85706075536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146386 (or 73191 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 52.

The spelling of 85706075536 in words is "eighty-five billion, seven hundred six million, seventy-five thousand, five hundred thirty-six".