80579243 has 2 divisors, whose sum is σ = 80579244. Its totient is φ = 80579242.

The previous prime is 80579221. The next prime is 80579267. The reversal of 80579243 is 34297508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80579243 - 2⁶ = 80579179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80579197 and 80579206.

It is not a weakly prime, because it can be changed into another prime (80579843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40289621 + 40289622.

It is an arithmetic number, because the mean of its divisors is an integer number (40289622).

Almost surely, 2^80579243 is an apocalyptic number.

80579243 is a deficient number, since it is larger than the sum of its proper divisors (1).

80579243 is an equidigital number, since it uses as much as digits as its factorization.

80579243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 80579243 is about 8976.5941759667. The cubic root of 80579243 is about 431.9243891304.

The spelling of 80579243 in words is "eighty million, five hundred seventy-nine thousand, two hundred forty-three".