84643103 has 2 divisors, whose sum is σ = 84643104. Its totient is φ = 84643102.

The previous prime is 84643057. The next prime is 84643123. The reversal of 84643103 is 30134648.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84643103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84643123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42321551 + 42321552.

It is an arithmetic number, because the mean of its divisors is an integer number (42321552).

Almost surely, 2^84643103 is an apocalyptic number.

84643103 is a deficient number, since it is larger than the sum of its proper divisors (1).

84643103 is an equidigital number, since it uses as much as digits as its factorization.

84643103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 84643103 is about 9200.1686397587. The cubic root of 84643103 is about 439.0667253630.

The spelling of 84643103 in words is "eighty-four million, six hundred forty-three thousand, one hundred three".