8216079943 has 2 divisors, whose sum is σ = 8216079944. Its totient is φ = 8216079942.

The previous prime is 8216079863. The next prime is 8216079983. The reversal of 8216079943 is 3499706128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8216079943 - 2²⁵ = 8182525511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8216079983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4108039971 + 4108039972.

It is an arithmetic number, because the mean of its divisors is an integer number (4108039972).

Almost surely, 2^8216079943 is an apocalyptic number.

8216079943 is a deficient number, since it is larger than the sum of its proper divisors (1).

8216079943 is an equidigital number, since it uses as much as digits as its factorization.

8216079943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 8216079943 is about 90642.5945292830. The cubic root of 8216079943 is about 2017.8469317241.

The spelling of 8216079943 in words is "eight billion, two hundred sixteen million, seventy-nine thousand, nine hundred forty-three".