880061789 has 2 divisors, whose sum is σ = 880061790. Its totient is φ = 880061788.

The previous prime is 880061771. The next prime is 880061801. The reversal of 880061789 is 987160088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 815388025 + 64673764 = 28555^2 + 8042^2 .

It is a cyclic number.

It is not a de Polignac number, because 880061789 - 2¹⁶ = 879996253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (880061089) 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, 440030894 + 440030895.

It is an arithmetic number, because the mean of its divisors is an integer number (440030895).

Almost surely, 2^880061789 is an apocalyptic number.

It is an amenable number.

880061789 is a deficient number, since it is larger than the sum of its proper divisors (1).

880061789 is an equidigital number, since it uses as much as digits as its factorization.

880061789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 880061789 is about 29665.8353834845. The cubic root of 880061789 is about 958.3063994514.

The spelling of 880061789 in words is "eight hundred eighty million, sixty-one thousand, seven hundred eighty-nine".