287980991167 has 2 divisors, whose sum is σ = 287980991168. Its totient is φ = 287980991166.

The previous prime is 287980991131. The next prime is 287980991189. The reversal of 287980991167 is 761199089782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 287980991167 - 2¹¹ = 287980989119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (287980901167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143990495583 + 143990495584.

It is an arithmetic number, because the mean of its divisors is an integer number (143990495584).

Almost surely, 2^287980991167 is an apocalyptic number.

287980991167 is a deficient number, since it is larger than the sum of its proper divisors (1).

287980991167 is an equidigital number, since it uses as much as digits as its factorization.

287980991167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27433728, while the sum is 67.

The spelling of 287980991167 in words is "two hundred eighty-seven billion, nine hundred eighty million, nine hundred ninety-one thousand, one hundred sixty-seven".