882215665 has 4 divisors (see below), whose sum is σ = 1058658804. Its totient is φ = 705772528.

The previous prime is 882215651. The next prime is 882215689. The reversal of 882215665 is 566512288.

882215665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 106481761 + 775733904 = 10319^2 + 27852^2 .

It is a cyclic number.

It is not a de Polignac number, because 882215665 - 2¹¹ = 882213617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88221562 + ... + 88221571.

It is an arithmetic number, because the mean of its divisors is an integer number (264664701).

Almost surely, 2^882215665 is an apocalyptic number.

It is an amenable number.

882215665 is a deficient number, since it is larger than the sum of its proper divisors (176443139).

882215665 is a wasteful number, since it uses less digits than its factorization.

882215665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176443138.

The product of its digits is 230400, while the sum is 43.

The square root of 882215665 is about 29702.1154970484. The cubic root of 882215665 is about 959.0875535268.

The spelling of 882215665 in words is "eight hundred eighty-two million, two hundred fifteen thousand, six hundred sixty-five".