852997645 has 8 divisors (see below), whose sum is σ = 1024180704. Its totient is φ = 682009104.

The previous prime is 852997603. The next prime is 852997657. The reversal of 852997645 is 546799258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 852997645 - 2⁷ = 852997517 is a prime.

It is a super-3 number, since 3×852997645³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38799 + ... + 56668.

It is an arithmetic number, because the mean of its divisors is an integer number (128022588).

Almost surely, 2^852997645 is an apocalyptic number.

It is an amenable number.

852997645 is a deficient number, since it is larger than the sum of its proper divisors (171183059).

852997645 is a wasteful number, since it uses less digits than its factorization.

852997645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97259.

The product of its digits is 5443200, while the sum is 55.

The square root of 852997645 is about 29206.1234161605. The cubic root of 852997645 is about 948.3804890945.

The spelling of 852997645 in words is "eight hundred fifty-two million, nine hundred ninety-seven thousand, six hundred forty-five".