1000065487888 has 80 divisors (see below), whose sum is σ = 2040731884800. Its totient is φ = 474250726400.

The previous prime is 1000065487873. The next prime is 1000065487909. The reversal of 1000065487888 is 8887845600001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4485123 + ... + 4702813.

It is an arithmetic number, because the mean of its divisors is an integer number (25509148560).

Almost surely, 2^{1000065487888} is an apocalyptic number.

It is an amenable number.

1000065487888 is an abundant number, since it is smaller than the sum of its proper divisors (1040666396912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000065487888 is a wasteful number, since it uses less digits than its factorization.

1000065487888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217936 (or 217930 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 55.

The spelling of 1000065487888 in words is "one trillion, sixty-five million, four hundred eighty-seven thousand, eight hundred eighty-eight".