887308551361 has 2 divisors, whose sum is σ = 887308551362. Its totient is φ = 887308551360.

The previous prime is 887308551331. The next prime is 887308551379. The reversal of 887308551361 is 163155803788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 636893379136 + 250415172225 = 798056^2 + 500415^2 .

It is a cyclic number.

It is not a de Polignac number, because 887308551361 - 2⁵ = 887308551329 is a prime.

It is not a weakly prime, because it can be changed into another prime (887308551301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443654275680 + 443654275681.

It is an arithmetic number, because the mean of its divisors is an integer number (443654275681).

Almost surely, 2^887308551361 is an apocalyptic number.

It is an amenable number.

887308551361 is a deficient number, since it is larger than the sum of its proper divisors (1).

887308551361 is an equidigital number, since it uses as much as digits as its factorization.

887308551361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 887308551361 in words is "eight hundred eighty-seven billion, three hundred eight million, five hundred fifty-one thousand, three hundred sixty-one".