887673121 has 2 divisors, whose sum is σ = 887673122. Its totient is φ = 887673120.

The previous prime is 887673119. The next prime is 887673167. The reversal of 887673121 is 121376788.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 590490000 + 297183121 = 24300^2 + 17239^2 .

It is a cyclic number.

It is not a de Polignac number, because 887673121 - 2¹ = 887673119 is a prime.

Together with 887673119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (887673221) 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 as a sum of consecutive naturals, namely, 443836560 + 443836561.

It is an arithmetic number, because the mean of its divisors is an integer number (443836561).

Almost surely, 2^887673121 is an apocalyptic number.

It is an amenable number.

887673121 is a deficient number, since it is larger than the sum of its proper divisors (1).

887673121 is an equidigital number, since it uses as much as digits as its factorization.

887673121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 43.

The square root of 887673121 is about 29793.8436761691. The cubic root of 887673121 is about 961.0611533534.

The spelling of 887673121 in words is "eight hundred eighty-seven million, six hundred seventy-three thousand, one hundred twenty-one".