852742238085 has 32 divisors (see below), whose sum is σ = 1516621344000. Its totient is φ = 454605317568.

The previous prime is 852742238083. The next prime is 852742238111. The reversal of 852742238085 is 580832247258.

852742238085 is a `hidden beast` number, since 8 + 527 + 4 + 2 + 2 + 38 + 0 + 85 = 666.

It is not a de Polignac number, because 852742238085 - 2¹ = 852742238083 is a prime.

It is a super-2 number, since 2×852742238085² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852742238083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 999505 + ... + 1644534.

It is an arithmetic number, because the mean of its divisors is an integer number (47394417000).

Almost surely, 2^852742238085 is an apocalyptic number.

It is an amenable number.

852742238085 is a deficient number, since it is larger than the sum of its proper divisors (663879105915).

852742238085 is a wasteful number, since it uses less digits than its factorization.

852742238085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646442 (or 2646436 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 54.

The spelling of 852742238085 in words is "eight hundred fifty-two billion, seven hundred forty-two million, two hundred thirty-eight thousand, eighty-five".