987085475153 has 2 divisors, whose sum is σ = 987085475154. Its totient is φ = 987085475152.

The previous prime is 987085475119. The next prime is 987085475227. The reversal of 987085475153 is 351574580789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 864104103184 + 122981371969 = 929572^2 + 350687^2 .

It is a cyclic number.

It is not a de Polignac number, because 987085475153 - 2²² = 987081280849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (987085475113) 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, 493542737576 + 493542737577.

It is an arithmetic number, because the mean of its divisors is an integer number (493542737577).

Almost surely, 2^987085475153 is an apocalyptic number.

It is an amenable number.

987085475153 is a deficient number, since it is larger than the sum of its proper divisors (1).

987085475153 is an equidigital number, since it uses as much as digits as its factorization.

987085475153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336000, while the sum is 62.

The spelling of 987085475153 in words is "nine hundred eighty-seven billion, eighty-five million, four hundred seventy-five thousand, one hundred fifty-three".