87088481197 has 2 divisors, whose sum is σ = 87088481198. Its totient is φ = 87088481196.

The previous prime is 87088481191. The next prime is 87088481201. The reversal of 87088481197 is 79118488078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83718214281 + 3370266916 = 289341^2 + 58054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87088481197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87088481191) 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, 43544240598 + 43544240599.

It is an arithmetic number, because the mean of its divisors is an integer number (43544240599).

Almost surely, 2^87088481197 is an apocalyptic number.

It is an amenable number.

87088481197 is a deficient number, since it is larger than the sum of its proper divisors (1).

87088481197 is an equidigital number, since it uses as much as digits as its factorization.

87088481197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7225344, while the sum is 61.

The spelling of 87088481197 in words is "eighty-seven billion, eighty-eight million, four hundred eighty-one thousand, one hundred ninety-seven".