823804087063 has 16 divisors (see below), whose sum is σ = 837504428800. Its totient is φ = 810146183616.

The previous prime is 823804087061. The next prime is 823804087079. The reversal of 823804087063 is 360780408328.

It is a cyclic number.

It is not a de Polignac number, because 823804087063 - 2¹ = 823804087061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 823804086998 and 823804087016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823804087061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180379606 + ... + 180384172.

It is an arithmetic number, because the mean of its divisors is an integer number (52344026800).

Almost surely, 2^823804087063 is an apocalyptic number.

823804087063 is a deficient number, since it is larger than the sum of its proper divisors (13700341737).

823804087063 is a wasteful number, since it uses less digits than its factorization.

823804087063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8566.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 823804087063 in words is "eight hundred twenty-three billion, eight hundred four million, eighty-seven thousand, sixty-three".