64012117008 has 40 divisors (see below), whose sum is σ = 188988155968. Its totient is φ = 18289176192.

The previous prime is 64012117007. The next prime is 64012117009. The reversal of 64012117008 is 80071121046.

64012117008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64012117007) and next prime (64012117009).

It is a super-2 number, since 2×64012117008² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64012117003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95255791 + ... + 95256462.

Almost surely, 2^64012117008 is an apocalyptic number.

It is an amenable number.

64012117008 is an abundant number, since it is smaller than the sum of its proper divisors (124976038960).

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

64012117008 is a wasteful number, since it uses less digits than its factorization.

64012117008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190512271 (or 190512265 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The spelling of 64012117008 in words is "sixty-four billion, twelve million, one hundred seventeen thousand, eight".