880269687221 has 2 divisors, whose sum is σ = 880269687222. Its totient is φ = 880269687220.

The previous prime is 880269687181. The next prime is 880269687257. The reversal of 880269687221 is 122786962088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 738130131025 + 142139556196 = 859145^2 + 377014^2 .

It is a cyclic number.

It is not a de Polignac number, because 880269687221 - 2¹⁴ = 880269670837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (880269687281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440134843610 + 440134843611.

It is an arithmetic number, because the mean of its divisors is an integer number (440134843611).

Almost surely, 2^880269687221 is an apocalyptic number.

It is an amenable number.

880269687221 is a deficient number, since it is larger than the sum of its proper divisors (1).

880269687221 is an equidigital number, since it uses as much as digits as its factorization.

880269687221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 880269687221 in words is "eight hundred eighty billion, two hundred sixty-nine million, six hundred eighty-seven thousand, two hundred twenty-one".