852746669 has 4 divisors (see below), whose sum is σ = 853038396. Its totient is φ = 852454944.

The previous prime is 852746663. The next prime is 852746677. The reversal of 852746669 is 966647258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 966647258 = 2 ⋅483323629.

It can be written as a sum of positive squares in 2 ways, for example, as 662444644 + 190302025 = 25738^2 + 13795^2 .

It is a cyclic number.

It is not a de Polignac number, because 852746669 - 2²⁰ = 851698093 is a prime.

It is a super-2 number, since 2×852746669² = 1454353762981191122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 852746669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852746663) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 141434 + ... + 147339.

It is an arithmetic number, because the mean of its divisors is an integer number (213259599).

Almost surely, 2^852746669 is an apocalyptic number.

It is an amenable number.

852746669 is a deficient number, since it is larger than the sum of its proper divisors (291727).

852746669 is a wasteful number, since it uses less digits than its factorization.

852746669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291726.

The product of its digits is 4354560, while the sum is 53.

The square root of 852746669 is about 29201.8264668496. The cubic root of 852746669 is about 948.2874665283.

The spelling of 852746669 in words is "eight hundred fifty-two million, seven hundred forty-six thousand, six hundred sixty-nine".