1000064688 has 80 divisors (see below), whose sum is σ = 2956644096. Its totient is φ = 285338880.

The previous prime is 1000064657. The next prime is 1000064699. The reversal of 1000064688 is 8864600001.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 314595 + ... + 317757.

Almost surely, 2^1000064688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000064688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1478322048).

1000064688 is an abundant number, since it is smaller than the sum of its proper divisors (1956579408).

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

1000064688 is a wasteful number, since it uses less digits than its factorization.

1000064688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122 (or 4116 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1000064688 is about 31623.7993922299. The cubic root of 1000064688 is about 1000.0215622017.

Adding to 1000064688 its reverse (8864600001), we get a palindrome (9864664689).

The spelling of 1000064688 in words is "one billion, sixty-four thousand, six hundred eighty-eight".