87588901 has 2 divisors, whose sum is σ = 87588902. Its totient is φ = 87588900.

The previous prime is 87588883. The next prime is 87588923. The reversal of 87588901 is 10988578.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85544001 + 2044900 = 9249^2 + 1430^2 .

It is a cyclic number.

It is not a de Polignac number, because 87588901 - 2⁵ = 87588869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87588001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43794450 + 43794451.

It is an arithmetic number, because the mean of its divisors is an integer number (43794451).

Almost surely, 2^87588901 is an apocalyptic number.

It is an amenable number.

87588901 is a deficient number, since it is larger than the sum of its proper divisors (1).

87588901 is an equidigital number, since it uses as much as digits as its factorization.

87588901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 46.

The square root of 87588901 is about 9358.8942188701. The cubic root of 87588901 is about 444.1023034153.

The spelling of 87588901 in words is "eighty-seven million, five hundred eighty-eight thousand, nine hundred one".