64791757112 has 8 divisors (see below), whose sum is σ = 121484544600. Its totient is φ = 32395878552.

The previous prime is 64791757039. The next prime is 64791757181. The reversal of 64791757112 is 21175719746.

64791757112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4049484812 + ... + 4049484827.

It is an arithmetic number, because the mean of its divisors is an integer number (15185568075).

Almost surely, 2^64791757112 is an apocalyptic number.

It is an amenable number.

64791757112 is a deficient number, since it is larger than the sum of its proper divisors (56692787488).

64791757112 is a wasteful number, since it uses less digits than its factorization.

64791757112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8098969645 (or 8098969641 counting only the distinct ones).

The product of its digits is 740880, while the sum is 50.

The spelling of 64791757112 in words is "sixty-four billion, seven hundred ninety-one million, seven hundred fifty-seven thousand, one hundred twelve".