87324188713 has 2 divisors, whose sum is σ = 87324188714. Its totient is φ = 87324188712.

The previous prime is 87324188687. The next prime is 87324188717. The reversal of 87324188713 is 31788142378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76136261184 + 11187927529 = 275928^2 + 105773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87324188713 is a prime.

It is not a weakly prime, because it can be changed into another prime (87324188717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43662094356 + 43662094357.

It is an arithmetic number, because the mean of its divisors is an integer number (43662094357).

Almost surely, 2^87324188713 is an apocalyptic number.

It is an amenable number.

87324188713 is a deficient number, since it is larger than the sum of its proper divisors (1).

87324188713 is an equidigital number, since it uses as much as digits as its factorization.

87324188713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1806336, while the sum is 52.

The spelling of 87324188713 in words is "eighty-seven billion, three hundred twenty-four million, one hundred eighty-eight thousand, seven hundred thirteen".