87885484397 has 2 divisors, whose sum is σ = 87885484398. Its totient is φ = 87885484396.

The previous prime is 87885484373. The next prime is 87885484481. The reversal of 87885484397 is 79348458878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58648246276 + 29237238121 = 242174^2 + 170989^2 .

It is a cyclic number.

It is not a de Polignac number, because 87885484397 - 2¹⁰ = 87885483373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87885484397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87885484327) 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, 43942742198 + 43942742199.

It is an arithmetic number, because the mean of its divisors is an integer number (43942742199).

Almost surely, 2^87885484397 is an apocalyptic number.

It is an amenable number.

87885484397 is a deficient number, since it is larger than the sum of its proper divisors (1).

87885484397 is an equidigital number, since it uses as much as digits as its factorization.

87885484397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 433520640, while the sum is 71.

The spelling of 87885484397 in words is "eighty-seven billion, eight hundred eighty-five million, four hundred eighty-four thousand, three hundred ninety-seven".