8479447903 has 2 divisors, whose sum is σ = 8479447904. Its totient is φ = 8479447902.

The previous prime is 8479447897. The next prime is 8479447931. The reversal of 8479447903 is 3097449748.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8479447903 - 2²¹ = 8477350751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8479447303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4239723951 + 4239723952.

It is an arithmetic number, because the mean of its divisors is an integer number (4239723952).

Almost surely, 2^8479447903 is an apocalyptic number.

8479447903 is a deficient number, since it is larger than the sum of its proper divisors (1).

8479447903 is an equidigital number, since it uses as much as digits as its factorization.

8479447903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The square root of 8479447903 is about 92083.9177218259. The cubic root of 8479447903 is about 2039.1813887597.

The spelling of 8479447903 in words is "eight billion, four hundred seventy-nine million, four hundred forty-seven thousand, nine hundred three".