852665937 has 16 divisors (see below), whose sum is σ = 1149776640. Its totient is φ = 562016000.

The previous prime is 852665921. The next prime is 852665939. The reversal of 852665937 is 739566258.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 852665937 - 2⁴ = 852665921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 852665937.

It is not an unprimeable number, because it can be changed into a prime (852665939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274489 + ... + 277577.

It is an arithmetic number, because the mean of its divisors is an integer number (71861040).

Almost surely, 2^852665937 is an apocalyptic number.

It is an amenable number.

852665937 is a deficient number, since it is larger than the sum of its proper divisors (297110703).

852665937 is a wasteful number, since it uses less digits than its factorization.

852665937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104.

The product of its digits is 2721600, while the sum is 51.

The square root of 852665937 is about 29200.4441233348. Note that the first 3 decimals coincide. The cubic root of 852665937 is about 948.2575398758.

The spelling of 852665937 in words is "eight hundred fifty-two million, six hundred sixty-five thousand, nine hundred thirty-seven".