87593713 has 2 divisors, whose sum is σ = 87593714. Its totient is φ = 87593712.

The previous prime is 87593651. The next prime is 87593719. The reversal of 87593713 is 31739578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44782864 + 42810849 = 6692^2 + 6543^2 .

It is a cyclic number.

It is not a de Polignac number, because 87593713 - 2⁹ = 87593201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87593713.

It is not a weakly prime, because it can be changed into another prime (87593719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43796856 + 43796857.

It is an arithmetic number, because the mean of its divisors is an integer number (43796857).

Almost surely, 2^87593713 is an apocalyptic number.

It is an amenable number.

87593713 is a deficient number, since it is larger than the sum of its proper divisors (1).

87593713 is an equidigital number, since it uses as much as digits as its factorization.

87593713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 43.

The square root of 87593713 is about 9359.1512969927. The cubic root of 87593713 is about 444.1104360330.

The spelling of 87593713 in words is "eighty-seven million, five hundred ninety-three thousand, seven hundred thirteen".