80705003 has 2 divisors, whose sum is σ = 80705004. Its totient is φ = 80705002.

The previous prime is 80704991. The next prime is 80705011. The reversal of 80705003 is 30050708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80705003 - 2¹⁶ = 80639467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80705003.

It is not a weakly prime, because it can be changed into another prime (80705503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40352501 + 40352502.

It is an arithmetic number, because the mean of its divisors is an integer number (40352502).

Almost surely, 2^80705003 is an apocalyptic number.

80705003 is a deficient number, since it is larger than the sum of its proper divisors (1).

80705003 is an equidigital number, since it uses as much as digits as its factorization.

80705003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 80705003 is about 8983.5963288652. The cubic root of 80705003 is about 432.1489737553.

The spelling of 80705003 in words is "eighty million, seven hundred five thousand, three".