287980067 has 2 divisors, whose sum is σ = 287980068. Its totient is φ = 287980066.

The previous prime is 287980027. The next prime is 287980097. The reversal of 287980067 is 760089782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 287980067 - 2¹⁶ = 287914531 is a prime.

It is a super-4 number, since 4×287980067⁴ (a number of 35 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (287980027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143990033 + 143990034.

It is an arithmetic number, because the mean of its divisors is an integer number (143990034).

Almost surely, 2^287980067 is an apocalyptic number.

287980067 is a deficient number, since it is larger than the sum of its proper divisors (1).

287980067 is an equidigital number, since it uses as much as digits as its factorization.

287980067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 287980067 is about 16969.9754566705. The cubic root of 287980067 is about 660.3702139376.

The spelling of 287980067 in words is "two hundred eighty-seven million, nine hundred eighty thousand, sixty-seven".