87298433 has 2 divisors, whose sum is σ = 87298434. Its totient is φ = 87298432.

The previous prime is 87298373. The next prime is 87298447. The reversal of 87298433 is 33489278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81504784 + 5793649 = 9028^2 + 2407^2 .

It is a cyclic number.

It is not a de Polignac number, because 87298433 - 2⁸ = 87298177 is a prime.

It is not a weakly prime, because it can be changed into another prime (87298333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43649216 + 43649217.

It is an arithmetic number, because the mean of its divisors is an integer number (43649217).

Almost surely, 2^87298433 is an apocalyptic number.

It is an amenable number.

87298433 is a deficient number, since it is larger than the sum of its proper divisors (1).

87298433 is an equidigital number, since it uses as much as digits as its factorization.

87298433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The square root of 87298433 is about 9343.3630454992. The cubic root of 87298433 is about 443.6108394424.

The spelling of 87298433 in words is "eighty-seven million, two hundred ninety-eight thousand, four hundred thirty-three".