80949103 has 2 divisors, whose sum is σ = 80949104. Its totient is φ = 80949102.

The previous prime is 80949083. The next prime is 80949109. The reversal of 80949103 is 30194908.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80949103 - 2²¹ = 78851951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80949109) 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, 40474551 + 40474552.

It is an arithmetic number, because the mean of its divisors is an integer number (40474552).

Almost surely, 2^80949103 is an apocalyptic number.

80949103 is a deficient number, since it is larger than the sum of its proper divisors (1).

80949103 is an equidigital number, since it uses as much as digits as its factorization.

80949103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 80949103 is about 8997.1719445612. The cubic root of 80949103 is about 432.5842271949.

The spelling of 80949103 in words is "eighty million, nine hundred forty-nine thousand, one hundred three".