816712853 has 24 divisors (see below), whose sum is σ = 954408000. Its totient is φ = 696358080.

The previous prime is 816712837. The next prime is 816712859. The reversal of 816712853 is 358217618.

It is not a de Polignac number, because 816712853 - 2⁴ = 816712837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 816712853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816712859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235073 + ... + 238521.

It is an arithmetic number, because the mean of its divisors is an integer number (39767000).

Almost surely, 2^816712853 is an apocalyptic number.

It is an amenable number.

816712853 is a deficient number, since it is larger than the sum of its proper divisors (137695147).

816712853 is a wasteful number, since it uses less digits than its factorization.

816712853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593 (or 3582 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 816712853 is about 28578.1884135436. The cubic root of 816712853 is about 934.7377811394.

The spelling of 816712853 in words is "eight hundred sixteen million, seven hundred twelve thousand, eight hundred fifty-three".