87553106269 has 2 divisors, whose sum is σ = 87553106270. Its totient is φ = 87553106268.

The previous prime is 87553106213. The next prime is 87553106279. The reversal of 87553106269 is 96260135578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55336446169 + 32216660100 = 235237^2 + 179490^2 .

It is a cyclic number.

It is not a de Polignac number, because 87553106269 - 2¹³ = 87553098077 is a prime.

It is a super-2 number, since 2×87553106269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87553106279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43776553134 + 43776553135.

It is an arithmetic number, because the mean of its divisors is an integer number (43776553135).

Almost surely, 2^87553106269 is an apocalyptic number.

It is an amenable number.

87553106269 is a deficient number, since it is larger than the sum of its proper divisors (1).

87553106269 is an equidigital number, since it uses as much as digits as its factorization.

87553106269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 87553106269 in words is "eighty-seven billion, five hundred fifty-three million, one hundred six thousand, two hundred sixty-nine".