87600913 has 2 divisors, whose sum is σ = 87600914. Its totient is φ = 87600912.

The previous prime is 87600883. The next prime is 87600937. The reversal of 87600913 is 31900678.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73410624 + 14190289 = 8568^2 + 3767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87600913 is a prime.

It is not a weakly prime, because it can be changed into another prime (87600113) 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, 43800456 + 43800457.

It is an arithmetic number, because the mean of its divisors is an integer number (43800457).

Almost surely, 2^87600913 is an apocalyptic number.

It is an amenable number.

87600913 is a deficient number, since it is larger than the sum of its proper divisors (1).

87600913 is an equidigital number, since it uses as much as digits as its factorization.

87600913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 87600913 is about 9359.5359393508. The cubic root of 87600913 is about 444.1226039822.

The spelling of 87600913 in words is "eighty-seven million, six hundred thousand, nine hundred thirteen".