823395080507 has 8 divisors (see below), whose sum is σ = 860471546784. Its totient is φ = 786425004288.

The previous prime is 823395080449. The next prime is 823395080579. The reversal of 823395080507 is 705080593328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 823395080507 - 2¹⁰ = 823395079483 is a prime.

It is a super-2 number, since 2×823395080507² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (823395080587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26581688 + ... + 26612645.

It is an arithmetic number, because the mean of its divisors is an integer number (107558943348).

Almost surely, 2^823395080507 is an apocalyptic number.

823395080507 is a deficient number, since it is larger than the sum of its proper divisors (37076466277).

823395080507 is a wasteful number, since it uses less digits than its factorization.

823395080507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53195029.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 823395080507 in words is "eight hundred twenty-three billion, three hundred ninety-five million, eighty thousand, five hundred seven".