83278103 has 2 divisors, whose sum is σ = 83278104. Its totient is φ = 83278102.

The previous prime is 83278081. The next prime is 83278109. The reversal of 83278103 is 30187238.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83278103 - 2¹⁰ = 83277079 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 83278103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83278109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41639051 + 41639052.

It is an arithmetic number, because the mean of its divisors is an integer number (41639052).

Almost surely, 2^83278103 is an apocalyptic number.

83278103 is a deficient number, since it is larger than the sum of its proper divisors (1).

83278103 is an equidigital number, since it uses as much as digits as its factorization.

83278103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 83278103 is about 9125.6837004139. The cubic root of 83278103 is about 436.6937147617.

The spelling of 83278103 in words is "eighty-three million, two hundred seventy-eight thousand, one hundred three".