87988801 has 2 divisors, whose sum is σ = 87988802. Its totient is φ = 87988800.

The previous prime is 87988783. The next prime is 87988811. The reversal of 87988801 is 10888978.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87441201 + 547600 = 9351^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 87988801 - 2¹⁹ = 87464513 is a prime.

It is not a weakly prime, because it can be changed into another prime (87988811) 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, 43994400 + 43994401.

It is an arithmetic number, because the mean of its divisors is an integer number (43994401).

Almost surely, 2^87988801 is an apocalyptic number.

It is an amenable number.

87988801 is a deficient number, since it is larger than the sum of its proper divisors (1).

87988801 is an equidigital number, since it uses as much as digits as its factorization.

87988801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 49.

The square root of 87988801 is about 9380.2345919492. The cubic root of 87988801 is about 444.7771488641. Note that the first 3 decimals are identical.

The spelling of 87988801 in words is "eighty-seven million, nine hundred eighty-eight thousand, eight hundred one".