852651765 has 96 divisors (see below), whose sum is σ = 1812545280. Its totient is φ = 376233984.

The previous prime is 852651739. The next prime is 852651781. The reversal of 852651765 is 567156258.

852651765 is a `hidden beast` number, since 8 + 526 + 51 + 76 + 5 = 666.

It is not a de Polignac number, because 852651765 - 2⁷ = 852651637 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 852651765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 244917 + ... + 248373.

It is an arithmetic number, because the mean of its divisors is an integer number (18880680).

Almost surely, 2^852651765 is an apocalyptic number.

It is an amenable number.

852651765 is an abundant number, since it is smaller than the sum of its proper divisors (959893515).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

852651765 is a wasteful number, since it uses less digits than its factorization.

852651765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513 (or 3501 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 852651765 is about 29200.2014547845. The cubic root of 852651765 is about 948.2522862433.

The spelling of 852651765 in words is "eight hundred fifty-two million, six hundred fifty-one thousand, seven hundred sixty-five".