64908789312 has 56 divisors (see below), whose sum is σ = 171825021856. Its totient is φ = 21625279488.

The previous prime is 64908789307. The next prime is 64908789329. The reversal of 64908789312 is 21398780946.

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 7 ways as a sum of consecutive naturals, for example, 297843 + ... + 467469.

Almost surely, 2^64908789312 is an apocalyptic number.

It is an amenable number.

64908789312 is an abundant number, since it is smaller than the sum of its proper divisors (106916232544).

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

64908789312 is a wasteful number, since it uses less digits than its factorization.

64908789312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171635 (or 171625 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 64908789312 in words is "sixty-four billion, nine hundred eight million, seven hundred eighty-nine thousand, three hundred twelve".