65427377717 has 32 divisors (see below), whose sum is σ = 73446912000. Its totient is φ = 57868151040.

The previous prime is 65427377713. The next prime is 65427377789. The reversal of 65427377717 is 71777372456.

It is a cyclic number.

It is not a de Polignac number, because 65427377717 - 2² = 65427377713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65427377713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30992492 + ... + 30994602.

It is an arithmetic number, because the mean of its divisors is an integer number (2295216000).

Almost surely, 2^65427377717 is an apocalyptic number.

It is an amenable number.

65427377717 is a deficient number, since it is larger than the sum of its proper divisors (8019534283).

65427377717 is a wasteful number, since it uses less digits than its factorization.

65427377717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741.

The product of its digits is 12101040, while the sum is 56.

The spelling of 65427377717 in words is "sixty-five billion, four hundred twenty-seven million, three hundred seventy-seven thousand, seven hundred seventeen".