87380975685293 has 2 divisors, whose sum is σ = 87380975685294. Its totient is φ = 87380975685292.

The previous prime is 87380975685281. The next prime is 87380975685343. The reversal of 87380975685293 is 39258657908378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51552586680169 + 35828389005124 = 7180013^2 + 5985682^2 .

It is a cyclic number.

It is not a de Polignac number, because 87380975685293 - 2⁸ = 87380975685037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87380975685593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43690487842646 + 43690487842647.

It is an arithmetic number, because the mean of its divisors is an integer number (43690487842647).

Almost surely, 2^{87380975685293} is an apocalyptic number.

It is an amenable number.

87380975685293 is a deficient number, since it is larger than the sum of its proper divisors (1).

87380975685293 is an equidigital number, since it uses as much as digits as its factorization.

87380975685293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5486745600, while the sum is 80.

The spelling of 87380975685293 in words is "eighty-seven trillion, three hundred eighty billion, nine hundred seventy-five million, six hundred eighty-five thousand, two hundred ninety-three".