80299943 has 2 divisors, whose sum is σ = 80299944. Its totient is φ = 80299942.

The previous prime is 80299939. The next prime is 80300009. The reversal of 80299943 is 34999208.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80299943 - 2² = 80299939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80299894 and 80299903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80299903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40149971 + 40149972.

It is an arithmetic number, because the mean of its divisors is an integer number (40149972).

Almost surely, 2^80299943 is an apocalyptic number.

80299943 is a deficient number, since it is larger than the sum of its proper divisors (1).

80299943 is an equidigital number, since it uses as much as digits as its factorization.

80299943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 80299943 is about 8961.0235464483. The cubic root of 80299943 is about 431.4247727365.

The spelling of 80299943 in words is "eighty million, two hundred ninety-nine thousand, nine hundred forty-three".