488897666512 has 20 divisors (see below), whose sum is σ = 957882369060. Its totient is φ = 241702216448.

The previous prime is 488897666449. The next prime is 488897666519. The reversal of 488897666512 is 215666798884.

It can be written as a sum of positive squares in 2 ways, for example, as 344925988416 + 143971678096 = 587304^2 + 379436^2 .

It is a super-2 number, since 2×488897666512² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488897666519) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 171662083 + ... + 171664930.

It is an arithmetic number, because the mean of its divisors is an integer number (47894118453).

Almost surely, 2^488897666512 is an apocalyptic number.

It is an amenable number.

488897666512 is a deficient number, since it is larger than the sum of its proper divisors (468984702548).

488897666512 is a wasteful number, since it uses less digits than its factorization.

488897666512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343327110 (or 343327104 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 70.

The spelling of 488897666512 in words is "four hundred eighty-eight billion, eight hundred ninety-seven million, six hundred sixty-six thousand, five hundred twelve".