87745289748511 has 2 divisors, whose sum is σ = 87745289748512. Its totient is φ = 87745289748510.

The previous prime is 87745289748509. The next prime is 87745289748527. The reversal of 87745289748511 is 11584798254778.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87745289748511 - 2¹ = 87745289748509 is a prime.

Together with 87745289748509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87745289748581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43872644874255 + 43872644874256.

It is an arithmetic number, because the mean of its divisors is an integer number (43872644874256).

Almost surely, 2^{87745289748511} is an apocalyptic number.

87745289748511 is a deficient number, since it is larger than the sum of its proper divisors (1).

87745289748511 is an equidigital number, since it uses as much as digits as its factorization.

87745289748511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1264435200, while the sum is 76.

The spelling of 87745289748511 in words is "eighty-seven trillion, seven hundred forty-five billion, two hundred eighty-nine million, seven hundred forty-eight thousand, five hundred eleven".