64006112777 has 4 divisors (see below), whose sum is σ = 64031687040. Its totient is φ = 63980538516.

The previous prime is 64006112719. The next prime is 64006112809. The reversal of 64006112777 is 77721160046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64006112777 - 2¹⁰ = 64006111753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64006112477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12783377 + ... + 12788382.

It is an arithmetic number, because the mean of its divisors is an integer number (16007921760).

Almost surely, 2^64006112777 is an apocalyptic number.

It is an amenable number.

64006112777 is a deficient number, since it is larger than the sum of its proper divisors (25574263).

64006112777 is a wasteful number, since it uses less digits than its factorization.

64006112777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25574262.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 64006112777 in words is "sixty-four billion, six million, one hundred twelve thousand, seven hundred seventy-seven".