827492238722 has 6 divisors (see below), whose sum is σ = 1241240287779. Its totient is φ = 413745476130.

The previous prime is 827492238707. The next prime is 827492238791. The reversal of 827492238722 is 227832294728.

It can be written as a sum of positive squares in only one way, i.e., 413746119361 + 413746119361 = 643231^2 + 643231^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=643231.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 964847 + ... + 1608077.

Almost surely, 2^827492238722 is an apocalyptic number.

827492238722 is a deficient number, since it is larger than the sum of its proper divisors (413748049057).

827492238722 is an frugal number, since it uses more digits than its factorization.

827492238722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286464 (or 643233 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 56.

The spelling of 827492238722 in words is "eight hundred twenty-seven billion, four hundred ninety-two million, two hundred thirty-eight thousand, seven hundred twenty-two".