80790643 has 2 divisors, whose sum is σ = 80790644. Its totient is φ = 80790642.

The previous prime is 80790637. The next prime is 80790649. The reversal of 80790643 is 34609708.

It is a balanced prime because it is at equal distance from previous prime (80790637) and next prime (80790649).

It is a cyclic number.

It is not a de Polignac number, because 80790643 - 2²¹ = 78693491 is a prime.

It is not a weakly prime, because it can be changed into another prime (80790649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40395321 + 40395322.

It is an arithmetic number, because the mean of its divisors is an integer number (40395322).

Almost surely, 2^80790643 is an apocalyptic number.

80790643 is a deficient number, since it is larger than the sum of its proper divisors (1).

80790643 is an equidigital number, since it uses as much as digits as its factorization.

80790643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 80790643 is about 8988.3615303347. The cubic root of 80790643 is about 432.3017778099.

The spelling of 80790643 in words is "eighty million, seven hundred ninety thousand, six hundred forty-three".