852753861 has 12 divisors (see below), whose sum is σ = 1232020192. Its totient is φ = 568380456.

The previous prime is 852753851. The next prime is 852753871. The reversal of 852753861 is 168357258.

852753861 is a `hidden beast` number, since 8 + 52 + 7 + 538 + 61 = 666.

It is an interprime number because it is at equal distance from previous prime (852753851) and next prime (852753871).

It is not a de Polignac number, because 852753861 - 2²² = 848559557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852753841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58290 + ... + 71436.

Almost surely, 2^852753861 is an apocalyptic number.

It is an amenable number.

852753861 is a deficient number, since it is larger than the sum of its proper divisors (379266331).

852753861 is a wasteful number, since it uses less digits than its factorization.

852753861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20360 (or 20357 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 852753861 is about 29201.9496095723. The cubic root of 852753861 is about 948.2901324487.

The spelling of 852753861 in words is "eight hundred fifty-two million, seven hundred fifty-three thousand, eight hundred sixty-one".