80888321 has 2 divisors, whose sum is σ = 80888322. Its totient is φ = 80888320.

The previous prime is 80888303. The next prime is 80888323. The reversal of 80888321 is 12388808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70896400 + 9991921 = 8420^2 + 3161^2 .

It is a cyclic number.

It is not a de Polignac number, because 80888321 - 2²² = 76694017 is a prime.

Together with 80888323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80888323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40444160 + 40444161.

It is an arithmetic number, because the mean of its divisors is an integer number (40444161).

Almost surely, 2^80888321 is an apocalyptic number.

It is an amenable number.

80888321 is a deficient number, since it is larger than the sum of its proper divisors (1).

80888321 is an equidigital number, since it uses as much as digits as its factorization.

80888321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 80888321 is about 8993.7934710555. The cubic root of 80888321 is about 432.4759290289.

The spelling of 80888321 in words is "eighty million, eight hundred eighty-eight thousand, three hundred twenty-one".