882745821 has 24 divisors (see below), whose sum is σ = 1287277056. Its totient is φ = 582894240.

The previous prime is 882745817. The next prime is 882745841. The reversal of 882745821 is 128547288.

It is a happy number.

It is not a de Polignac number, because 882745821 - 2² = 882745817 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (882745841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 483316 + ... + 485138.

It is an arithmetic number, because the mean of its divisors is an integer number (53636544).

Almost surely, 2^882745821 is an apocalyptic number.

It is an amenable number.

882745821 is a deficient number, since it is larger than the sum of its proper divisors (404531235).

882745821 is a wasteful number, since it uses less digits than its factorization.

882745821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313 (or 2310 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 882745821 is about 29711.0387061779. The cubic root of 882745821 is about 959.2796321093.

The spelling of 882745821 in words is "eight hundred eighty-two million, seven hundred forty-five thousand, eight hundred twenty-one".