804775936853 has 4 divisors (see below), whose sum is σ = 919743927840. Its totient is φ = 689807945868.

The previous prime is 804775936819. The next prime is 804775936891. The reversal of 804775936853 is 358639577408.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 804775936853 - 2¹⁸ = 804775674709 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 804775936853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804775936753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57483995483 + ... + 57483995496.

It is an arithmetic number, because the mean of its divisors is an integer number (229935981960).

Almost surely, 2^804775936853 is an apocalyptic number.

It is an amenable number.

804775936853 is a deficient number, since it is larger than the sum of its proper divisors (114967990987).

804775936853 is a wasteful number, since it uses less digits than its factorization.

804775936853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114967990986.

The product of its (nonzero) digits is 152409600, while the sum is 65.

The spelling of 804775936853 in words is "eight hundred four billion, seven hundred seventy-five million, nine hundred thirty-six thousand, eight hundred fifty-three".