880390073 has 2 divisors, whose sum is σ = 880390074. Its totient is φ = 880390072.

The previous prime is 880390051. The next prime is 880390081. The reversal of 880390073 is 370093088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 834516544 + 45873529 = 28888^2 + 6773^2 .

It is a cyclic number.

It is not a de Polignac number, because 880390073 - 2¹⁶ = 880324537 is a prime.

It is not a weakly prime, because it can be changed into another prime (880395073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440195036 + 440195037.

It is an arithmetic number, because the mean of its divisors is an integer number (440195037).

Almost surely, 2^880390073 is an apocalyptic number.

It is an amenable number.

880390073 is a deficient number, since it is larger than the sum of its proper divisors (1).

880390073 is an equidigital number, since it uses as much as digits as its factorization.

880390073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 880390073 is about 29671.3678990369. The cubic root of 880390073 is about 958.4255416725.

The spelling of 880390073 in words is "eight hundred eighty million, three hundred ninety thousand, seventy-three".