87418603 has 2 divisors, whose sum is σ = 87418604. Its totient is φ = 87418602.

The previous prime is 87418547. The next prime is 87418619. The reversal of 87418603 is 30681478.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87418603 is a prime.

It is not a weakly prime, because it can be changed into another prime (87418633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43709301 + 43709302.

It is an arithmetic number, because the mean of its divisors is an integer number (43709302).

Almost surely, 2^87418603 is an apocalyptic number.

87418603 is a deficient number, since it is larger than the sum of its proper divisors (1).

87418603 is an equidigital number, since it uses as much as digits as its factorization.

87418603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 87418603 is about 9349.7916019556. The cubic root of 87418603 is about 443.8142958347.

The spelling of 87418603 in words is "eighty-seven million, four hundred eighteen thousand, six hundred three".