83640103 has 2 divisors, whose sum is σ = 83640104. Its totient is φ = 83640102.

The previous prime is 83640047. The next prime is 83640143. The reversal of 83640103 is 30104638.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83640103 - 2¹⁷ = 83509031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83640143) 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, 41820051 + 41820052.

It is an arithmetic number, because the mean of its divisors is an integer number (41820052).

Almost surely, 2^83640103 is an apocalyptic number.

83640103 is a deficient number, since it is larger than the sum of its proper divisors (1).

83640103 is an equidigital number, since it uses as much as digits as its factorization.

83640103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 83640103 is about 9145.4963233277. The cubic root of 83640103 is about 437.3255520012.

The spelling of 83640103 in words is "eighty-three million, six hundred forty thousand, one hundred three".