813872607763 has 4 divisors (see below), whose sum is σ = 819727806520. Its totient is φ = 808017409008.

The previous prime is 813872607689. The next prime is 813872607773. The reversal of 813872607763 is 367706278318.

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

It is a cyclic number.

It is not a de Polignac number, because 813872607763 - 2³³ = 805282673171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 813872607698 and 813872607707.

It is not an unprimeable number, because it can be changed into a prime (813872607773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2927599170 + ... + 2927599447.

It is an arithmetic number, because the mean of its divisors is an integer number (204931951630).

Almost surely, 2^813872607763 is an apocalyptic number.

813872607763 is a deficient number, since it is larger than the sum of its proper divisors (5855198757).

813872607763 is a wasteful number, since it uses less digits than its factorization.

813872607763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855198756.

The product of its (nonzero) digits is 14224896, while the sum is 58.

The spelling of 813872607763 in words is "eight hundred thirteen billion, eight hundred seventy-two million, six hundred seven thousand, seven hundred sixty-three".