87428448743 has 2 divisors, whose sum is σ = 87428448744. Its totient is φ = 87428448742.

The previous prime is 87428448721. The next prime is 87428448787. The reversal of 87428448743 is 34784482478.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87428448743 - 2²⁰ = 87427400167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87428448703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43714224371 + 43714224372.

It is an arithmetic number, because the mean of its divisors is an integer number (43714224372).

Almost surely, 2^87428448743 is an apocalyptic number.

87428448743 is a deficient number, since it is larger than the sum of its proper divisors (1).

87428448743 is an equidigital number, since it uses as much as digits as its factorization.

87428448743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38535168, while the sum is 59.

The spelling of 87428448743 in words is "eighty-seven billion, four hundred twenty-eight million, four hundred forty-eight thousand, seven hundred forty-three".