287484987487 has 2 divisors, whose sum is σ = 287484987488. Its totient is φ = 287484987486.

The previous prime is 287484987451. The next prime is 287484987527. The reversal of 287484987487 is 784789484782.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 287484987487 - 2¹⁵ = 287484954719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (287484987437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143742493743 + 143742493744.

It is an arithmetic number, because the mean of its divisors is an integer number (143742493744).

Almost surely, 2^287484987487 is an apocalyptic number.

287484987487 is a deficient number, since it is larger than the sum of its proper divisors (1).

287484987487 is an equidigital number, since it uses as much as digits as its factorization.

287484987487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1618477056, while the sum is 76.

The spelling of 287484987487 in words is "two hundred eighty-seven billion, four hundred eighty-four million, nine hundred eighty-seven thousand, four hundred eighty-seven".