80970287 has 2 divisors, whose sum is σ = 80970288. Its totient is φ = 80970286.

The previous prime is 80970271. The next prime is 80970289. The reversal of 80970287 is 78207908.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80970287 - 2⁴ = 80970271 is a prime.

Together with 80970289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80970289) 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, 40485143 + 40485144.

It is an arithmetic number, because the mean of its divisors is an integer number (40485144).

Almost surely, 2^80970287 is an apocalyptic number.

80970287 is a deficient number, since it is larger than the sum of its proper divisors (1).

80970287 is an equidigital number, since it uses as much as digits as its factorization.

80970287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 80970287 is about 8998.3491263676. The cubic root of 80970287 is about 432.6219589904.

The spelling of 80970287 in words is "eighty million, nine hundred seventy thousand, two hundred eighty-seven".