87550578853 has 2 divisors, whose sum is σ = 87550578854. Its totient is φ = 87550578852.

The previous prime is 87550578823. The next prime is 87550578877. The reversal of 87550578853 is 35887505578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85379671204 + 2170907649 = 292198^2 + 46593^2 .

It is a cyclic number.

It is not a de Polignac number, because 87550578853 - 2²⁵ = 87517024421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87550578791 and 87550578800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87550578803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43775289426 + 43775289427.

It is an arithmetic number, because the mean of its divisors is an integer number (43775289427).

Almost surely, 2^87550578853 is an apocalyptic number.

It is an amenable number.

87550578853 is a deficient number, since it is larger than the sum of its proper divisors (1).

87550578853 is an equidigital number, since it uses as much as digits as its factorization.

87550578853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040000, while the sum is 61.

The spelling of 87550578853 in words is "eighty-seven billion, five hundred fifty million, five hundred seventy-eight thousand, eight hundred fifty-three".