87910441 has 2 divisors, whose sum is σ = 87910442. Its totient is φ = 87910440.

The previous prime is 87910429. The next prime is 87910457. The reversal of 87910441 is 14401978.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79477225 + 8433216 = 8915^2 + 2904^2 .

It is a cyclic number.

It is not a de Polignac number, because 87910441 - 2⁷ = 87910313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87910397 and 87910406.

It is not a weakly prime, because it can be changed into another prime (87910241) 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, 43955220 + 43955221.

It is an arithmetic number, because the mean of its divisors is an integer number (43955221).

Almost surely, 2^87910441 is an apocalyptic number.

It is an amenable number.

87910441 is a deficient number, since it is larger than the sum of its proper divisors (1).

87910441 is an equidigital number, since it uses as much as digits as its factorization.

87910441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 87910441 is about 9376.0567937700. The cubic root of 87910441 is about 444.6450749019.

The spelling of 87910441 in words is "eighty-seven million, nine hundred ten thousand, four hundred forty-one".