851092853 has 4 divisors (see below), whose sum is σ = 916561548. Its totient is φ = 785624160.

The previous prime is 851092843. The next prime is 851092861. The reversal of 851092853 is 358290158.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 416078404 + 435014449 = 20398^2 + 20857^2 .

It is a cyclic number.

It is not a de Polignac number, because 851092853 - 2⁶ = 851092789 is a prime.

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 851092853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851092843) 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, 32734328 + ... + 32734353.

It is an arithmetic number, because the mean of its divisors is an integer number (229140387).

Almost surely, 2^851092853 is an apocalyptic number.

It is an amenable number.

851092853 is a deficient number, since it is larger than the sum of its proper divisors (65468695).

851092853 is a wasteful number, since it uses less digits than its factorization.

851092853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65468694.

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 851092853 is about 29173.4957281434. The cubic root of 851092853 is about 947.6740338860.

The spelling of 851092853 in words is "eight hundred fifty-one million, ninety-two thousand, eight hundred fifty-three".