87360890093669 has 2 divisors, whose sum is σ = 87360890093670. Its totient is φ = 87360890093668.

The previous prime is 87360890093657. The next prime is 87360890093717. The reversal of 87360890093669 is 96639009806378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87252655673569 + 108234420100 = 9340913^2 + 328990^2 .

It is a cyclic number.

It is not a de Polignac number, because 87360890093669 - 2³⁶ = 87292170616933 is a prime.

It is a super-2 number, since 2×87360890093669² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87360890093596 and 87360890093605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87360890093629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43680445046834 + 43680445046835.

It is an arithmetic number, because the mean of its divisors is an integer number (43680445046835).

Almost surely, 2^{87360890093669} is an apocalyptic number.

It is an amenable number.

87360890093669 is a deficient number, since it is larger than the sum of its proper divisors (1).

87360890093669 is an equidigital number, since it uses as much as digits as its factorization.

87360890093669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 634894848, while the sum is 74.

The spelling of 87360890093669 in words is "eighty-seven trillion, three hundred sixty billion, eight hundred ninety million, ninety-three thousand, six hundred sixty-nine".