827884770113 has 4 divisors (see below), whose sum is σ = 827889640020. Its totient is φ = 827879900208.

The previous prime is 827884770101. The next prime is 827884770233. The reversal of 827884770113 is 311077488728.

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

It can be written as a sum of positive squares in 2 ways, for example, as 585887677489 + 241997092624 = 765433^2 + 491932^2 .

It is a cyclic number.

It is not a de Polignac number, because 827884770113 - 2²⁰ = 827883721537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827884770413) 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, 2170370 + ... + 2523147.

It is an arithmetic number, because the mean of its divisors is an integer number (206972410005).

Almost surely, 2^827884770113 is an apocalyptic number.

It is an amenable number.

827884770113 is a deficient number, since it is larger than the sum of its proper divisors (4869907).

827884770113 is a wasteful number, since it uses less digits than its factorization.

827884770113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869906.

The product of its (nonzero) digits is 4214784, while the sum is 56.

The spelling of 827884770113 in words is "eight hundred twenty-seven billion, eight hundred eighty-four million, seven hundred seventy thousand, one hundred thirteen".