827397943 has 8 divisors (see below), whose sum is σ = 834678000. Its totient is φ = 820145088.

The previous prime is 827397919. The next prime is 827397947. The reversal of 827397943 is 349793728.

It is a happy number.

827397943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 827397943 - 2⁵ = 827397911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827397947) 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, 56883 + ... + 69931.

It is an arithmetic number, because the mean of its divisors is an integer number (104334750).

Almost surely, 2^827397943 is an apocalyptic number.

827397943 is a deficient number, since it is larger than the sum of its proper divisors (7280057).

827397943 is a wasteful number, since it uses less digits than its factorization.

827397943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13601.

The product of its digits is 2286144, while the sum is 52.

The square root of 827397943 is about 28764.5257739459. The cubic root of 827397943 is about 938.7965370726.

The spelling of 827397943 in words is "eight hundred twenty-seven million, three hundred ninety-seven thousand, nine hundred forty-three".