880181801 has 2 divisors, whose sum is σ = 880181802. Its totient is φ = 880181800.

The previous prime is 880181761. The next prime is 880181803. The reversal of 880181801 is 108181088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 879181801 + 1000000 = 29651^2 + 1000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-880181801 is a prime.

It is a Sophie Germain prime.

Together with 880181803, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (880181803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440090900 + 440090901.

It is an arithmetic number, because the mean of its divisors is an integer number (440090901).

Almost surely, 2^880181801 is an apocalyptic number.

It is an amenable number.

880181801 is a deficient number, since it is larger than the sum of its proper divisors (1).

880181801 is an equidigital number, since it uses as much as digits as its factorization.

880181801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4096, while the sum is 35.

The square root of 880181801 is about 29667.8580453662. The cubic root of 880181801 is about 958.3499581506.

The spelling of 880181801 in words is "eight hundred eighty million, one hundred eighty-one thousand, eight hundred one".