80678287 has 2 divisors, whose sum is σ = 80678288. Its totient is φ = 80678286.

The previous prime is 80678267. The next prime is 80678291. The reversal of 80678287 is 78287608.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80678287 - 2⁷ = 80678159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80678267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40339143 + 40339144.

It is an arithmetic number, because the mean of its divisors is an integer number (40339144).

Almost surely, 2^80678287 is an apocalyptic number.

80678287 is a deficient number, since it is larger than the sum of its proper divisors (1).

80678287 is an equidigital number, since it uses as much as digits as its factorization.

80678287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 80678287 is about 8982.1092734391. The cubic root of 80678287 is about 432.1012833365.

The spelling of 80678287 in words is "eighty million, six hundred seventy-eight thousand, two hundred eighty-seven".