87113603 has 2 divisors, whose sum is σ = 87113604. Its totient is φ = 87113602.

The previous prime is 87113591. The next prime is 87113623. The reversal of 87113603 is 30631178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87113603 - 2⁶ = 87113539 is a prime.

It is not a weakly prime, because it can be changed into another prime (87113623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43556801 + 43556802.

It is an arithmetic number, because the mean of its divisors is an integer number (43556802).

Almost surely, 2^87113603 is an apocalyptic number.

87113603 is a deficient number, since it is larger than the sum of its proper divisors (1).

87113603 is an equidigital number, since it uses as much as digits as its factorization.

87113603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 87113603 is about 9333.4668264263. The cubic root of 87113603 is about 443.2975442997.

The spelling of 87113603 in words is "eighty-seven million, one hundred thirteen thousand, six hundred three".