87343783 has 2 divisors, whose sum is σ = 87343784. Its totient is φ = 87343782.

The previous prime is 87343769. The next prime is 87343787. The reversal of 87343783 is 38734378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87343783 - 2⁹ = 87343271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87343787) 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, 43671891 + 43671892.

It is an arithmetic number, because the mean of its divisors is an integer number (43671892).

Almost surely, 2^87343783 is an apocalyptic number.

87343783 is a deficient number, since it is larger than the sum of its proper divisors (1).

87343783 is an equidigital number, since it uses as much as digits as its factorization.

87343783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 43.

The square root of 87343783 is about 9345.7895867604. The cubic root of 87343783 is about 443.6876421534.

The spelling of 87343783 in words is "eighty-seven million, three hundred forty-three thousand, seven hundred eighty-three".