85852844386 has 4 divisors (see below), whose sum is σ = 128779266582. Its totient is φ = 42926422192.

The previous prime is 85852844381. The next prime is 85852844393. The reversal of 85852844386 is 68344825858.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72640491361 + 13212353025 = 269519^2 + 114945^2 .

It is a super-3 number, since 3×85852844386³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (85852844381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21463211095 + ... + 21463211098.

Almost surely, 2^85852844386 is an apocalyptic number.

85852844386 is a deficient number, since it is larger than the sum of its proper divisors (42926422196).

85852844386 is a wasteful number, since it uses less digits than its factorization.

85852844386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42926422195.

The product of its digits is 58982400, while the sum is 61.

The spelling of 85852844386 in words is "eighty-five billion, eight hundred fifty-two million, eight hundred forty-four thousand, three hundred eighty-six".