87485996293 has 2 divisors, whose sum is σ = 87485996294. Its totient is φ = 87485996292.

The previous prime is 87485996281. The next prime is 87485996359. The reversal of 87485996293 is 39269958478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54180476289 + 33305520004 = 232767^2 + 182498^2 .

It is a cyclic number.

It is not a de Polignac number, because 87485996293 - 2²⁹ = 86949125381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87485996203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43742998146 + 43742998147.

It is an arithmetic number, because the mean of its divisors is an integer number (43742998147).

Almost surely, 2^87485996293 is an apocalyptic number.

It is an amenable number.

87485996293 is a deficient number, since it is larger than the sum of its proper divisors (1).

87485996293 is an equidigital number, since it uses as much as digits as its factorization.

87485996293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235146240, while the sum is 70.

The spelling of 87485996293 in words is "eighty-seven billion, four hundred eighty-five million, nine hundred ninety-six thousand, two hundred ninety-three".