64076767705 has 16 divisors (see below), whose sum is σ = 77428427904. Its totient is φ = 50904115200.

The previous prime is 64076767697. The next prime is 64076767709. The reversal of 64076767705 is 50776767046.

It is not a de Polignac number, because 64076767705 - 2³ = 64076767697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64076767709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2405017 + ... + 2431513.

It is an arithmetic number, because the mean of its divisors is an integer number (4839276744).

Almost surely, 2^64076767705 is an apocalyptic number.

It is an amenable number.

64076767705 is a deficient number, since it is larger than the sum of its proper divisors (13351660199).

64076767705 is a wasteful number, since it uses less digits than its factorization.

64076767705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29856.

The product of its (nonzero) digits is 10372320, while the sum is 55.

The spelling of 64076767705 in words is "sixty-four billion, seventy-six million, seven hundred sixty-seven thousand, seven hundred five".