827935468381 has 4 divisors (see below), whose sum is σ = 946211963872. Its totient is φ = 709658972892.

The previous prime is 827935468337. The next prime is 827935468387. The reversal of 827935468381 is 183864539728.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 827935468381 - 2¹⁷ = 827935337309 is a prime.

It is a super-2 number, since 2×827935468381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827935468387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59138247735 + ... + 59138247748.

It is an arithmetic number, because the mean of its divisors is an integer number (236552990968).

Almost surely, 2^827935468381 is an apocalyptic number.

It is an amenable number.

827935468381 is a deficient number, since it is larger than the sum of its proper divisors (118276495491).

827935468381 is a wasteful number, since it uses less digits than its factorization.

827935468381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118276495490.

The product of its digits is 69672960, while the sum is 64.

The spelling of 827935468381 in words is "eight hundred twenty-seven billion, nine hundred thirty-five million, four hundred sixty-eight thousand, three hundred eighty-one".