882880021 has 2 divisors, whose sum is σ = 882880022. Its totient is φ = 882880020.

The previous prime is 882880003. The next prime is 882880027. The reversal of 882880021 is 120088288.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513702225 + 369177796 = 22665^2 + 19214^2 .

It is a cyclic number.

It is not a de Polignac number, because 882880021 - 2¹⁵ = 882847253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (882880027) 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 as a sum of consecutive naturals, namely, 441440010 + 441440011.

It is an arithmetic number, because the mean of its divisors is an integer number (441440011).

Almost surely, 2^882880021 is an apocalyptic number.

It is an amenable number.

882880021 is a deficient number, since it is larger than the sum of its proper divisors (1).

882880021 is an equidigital number, since it uses as much as digits as its factorization.

882880021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16384, while the sum is 37.

The square root of 882880021 is about 29713.2970402142. The cubic root of 882880021 is about 959.3282413467.

The spelling of 882880021 in words is "eight hundred eighty-two million, eight hundred eighty thousand, twenty-one".