287985479859 has 192 divisors, whose sum is σ = 553353216000. Its totient is φ = 142903051200.

The previous prime is 287985479857. The next prime is 287985479897. The reversal of 287985479859 is 958974589782.

287985479859 is a `hidden beast` number, since 2 + 8 + 7 + 98 + 5 + 479 + 8 + 59 = 666.

It is not a de Polignac number, because 287985479859 - 2¹ = 287985479857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (287985479851) 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 in 191 ways as a sum of consecutive naturals, for example, 83158962 + ... + 83162424.

It is an arithmetic number, because the mean of its divisors is an integer number (2882048000).

Almost surely, 2^287985479859 is an apocalyptic number.

287985479859 is a deficient number, since it is larger than the sum of its proper divisors (265367736141).

287985479859 is a wasteful number, since it uses less digits than its factorization.

287985479859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611 (or 3594 counting only the distinct ones).

The product of its digits is 3657830400, while the sum is 81.

The spelling of 287985479859 in words is "two hundred eighty-seven billion, nine hundred eighty-five million, four hundred seventy-nine thousand, eight hundred fifty-nine".