487898668805 has 16 divisors (see below), whose sum is σ = 589309185024. Its totient is φ = 387767660160.

The previous prime is 487898668769. The next prime is 487898668811. The reversal of 487898668805 is 508866898784.

It is a happy number.

It is not a de Polignac number, because 487898668805 - 2²⁰ = 487897620229 is a prime.

It is a super-2 number, since 2×487898668805² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1361945 + ... + 1682465.

It is an arithmetic number, because the mean of its divisors is an integer number (36831824064).

Almost surely, 2^487898668805 is an apocalyptic number.

It is an amenable number.

487898668805 is a deficient number, since it is larger than the sum of its proper divisors (101410516219).

487898668805 is a wasteful number, since it uses less digits than its factorization.

487898668805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322516.

The product of its (nonzero) digits is 1486356480, while the sum is 77.

The spelling of 487898668805 in words is "four hundred eighty-seven billion, eight hundred ninety-eight million, six hundred sixty-eight thousand, eight hundred five".