87553106213 has 2 divisors, whose sum is σ = 87553106214. Its totient is φ = 87553106212.

The previous prime is 87553106143. The next prime is 87553106269. The reversal of 87553106213 is 31260135578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64654758529 + 22898347684 = 254273^2 + 151322^2 .

It is a cyclic number.

It is not a de Polignac number, because 87553106213 - 2¹⁴ = 87553089829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87553106713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43776553106 + 43776553107.

It is an arithmetic number, because the mean of its divisors is an integer number (43776553107).

Almost surely, 2^87553106213 is an apocalyptic number.

It is an amenable number.

87553106213 is a deficient number, since it is larger than the sum of its proper divisors (1).

87553106213 is an equidigital number, since it uses as much as digits as its factorization.

87553106213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 87553106213 in words is "eighty-seven billion, five hundred fifty-three million, one hundred six thousand, two hundred thirteen".