87360890093537 has 2 divisors, whose sum is σ = 87360890093538. Its totient is φ = 87360890093536.

The previous prime is 87360890093483. The next prime is 87360890093629. The reversal of 87360890093537 is 73539009806378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85620063178321 + 1740826915216 = 9253111^2 + 1319404^2 .

It is a cyclic number.

It is not a de Polignac number, because 87360890093537 - 2¹⁸ = 87360889831393 is a prime.

It is a super-2 number, since 2×87360890093537² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87360890093137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43680445046768 + 43680445046769.

It is an arithmetic number, because the mean of its divisors is an integer number (43680445046769).

Almost surely, 2^{87360890093537} is an apocalyptic number.

It is an amenable number.

87360890093537 is a deficient number, since it is larger than the sum of its proper divisors (1).

87360890093537 is an equidigital number, since it uses as much as digits as its factorization.

87360890093537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 205752960, while the sum is 68.

The spelling of 87360890093537 in words is "eighty-seven trillion, three hundred sixty billion, eight hundred ninety million, ninety-three thousand, five hundred thirty-seven".