87817318151 has 2 divisors, whose sum is σ = 87817318152. Its totient is φ = 87817318150.

The previous prime is 87817318067. The next prime is 87817318177. The reversal of 87817318151 is 15181371878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87817318151 - 2³⁰ = 86743576327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87817318151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87817318051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43908659075 + 43908659076.

It is an arithmetic number, because the mean of its divisors is an integer number (43908659076).

Almost surely, 2^87817318151 is an apocalyptic number.

87817318151 is a deficient number, since it is larger than the sum of its proper divisors (1).

87817318151 is an equidigital number, since it uses as much as digits as its factorization.

87817318151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 50.

The spelling of 87817318151 in words is "eighty-seven billion, eight hundred seventeen million, three hundred eighteen thousand, one hundred fifty-one".