80722403 has 2 divisors, whose sum is σ = 80722404. Its totient is φ = 80722402.

The previous prime is 80722391. The next prime is 80722417. The reversal of 80722403 is 30422708.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80722403 - 2¹⁰ = 80721379 is a prime.

It is a super-2 number, since 2×80722403² = 13032212692188818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80722423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40361201 + 40361202.

It is an arithmetic number, because the mean of its divisors is an integer number (40361202).

Almost surely, 2^80722403 is an apocalyptic number.

80722403 is a deficient number, since it is larger than the sum of its proper divisors (1).

80722403 is an equidigital number, since it uses as much as digits as its factorization.

80722403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 80722403 is about 8984.5647084319. The cubic root of 80722403 is about 432.1800286323.

The spelling of 80722403 in words is "eighty million, seven hundred twenty-two thousand, four hundred three".