87403441 has 2 divisors, whose sum is σ = 87403442. Its totient is φ = 87403440.

The previous prime is 87403357. The next prime is 87403451. The reversal of 87403441 is 14430478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68956416 + 18447025 = 8304^2 + 4295^2 .

It is a cyclic number.

It is not a de Polignac number, because 87403441 - 2⁹ = 87402929 is a prime.

It is a super-2 number, since 2×87403441² = 15278722997280962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87403451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43701720 + 43701721.

It is an arithmetic number, because the mean of its divisors is an integer number (43701721).

Almost surely, 2^87403441 is an apocalyptic number.

It is an amenable number.

87403441 is a deficient number, since it is larger than the sum of its proper divisors (1).

87403441 is an equidigital number, since it uses as much as digits as its factorization.

87403441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 87403441 is about 9348.9807465841. The cubic root of 87403441 is about 443.7886357685.

The spelling of 87403441 in words is "eighty-seven million, four hundred three thousand, four hundred forty-one".