882121287 has 4 divisors (see below), whose sum is σ = 1176161720. Its totient is φ = 588080856.

The previous prime is 882121283. The next prime is 882121297. The reversal of 882121287 is 782121288.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 882121287 - 2² = 882121283 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 (882121283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147020212 + ... + 147020217.

It is an arithmetic number, because the mean of its divisors is an integer number (294040430).

Almost surely, 2^882121287 is an apocalyptic number.

882121287 is a deficient number, since it is larger than the sum of its proper divisors (294040433).

882121287 is a wasteful number, since it uses less digits than its factorization.

882121287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294040432.

The product of its digits is 28672, while the sum is 39.

The square root of 882121287 is about 29700.5267125012. The cubic root of 882121287 is about 959.0533517639.

Subtracting from 882121287 its reverse (782121288), we obtain a palindrome (99999999).

The spelling of 882121287 in words is "eight hundred eighty-two million, one hundred twenty-one thousand, two hundred eighty-seven".