65242355271077 has 16 divisors (see below), whose sum is σ = 69340401028080. Its totient is φ = 61173464030208.

The previous prime is 65242355271031. The next prime is 65242355271091. The reversal of 65242355271077 is 77017255324256.

It is a Cunningham number, because it is equal to 8077274²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 4027864358116 + 61214490912961 = 2006954^2 + 7823969^2 .

It is a cyclic number.

It is not a de Polignac number, because 65242355271077 - 2¹⁴ = 65242355254693 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 (65242355231077) 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, 5123999 + ... + 12519587.

It is an arithmetic number, because the mean of its divisors is an integer number (4333775064255).

Almost surely, 2^{65242355271077} is an apocalyptic number.

It is an amenable number.

65242355271077 is a deficient number, since it is larger than the sum of its proper divisors (4098045757003).

65242355271077 is a wasteful number, since it uses less digits than its factorization.

65242355271077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7397560.

The product of its (nonzero) digits is 24696000, while the sum is 56.

The spelling of 65242355271077 in words is "sixty-five trillion, two hundred forty-two billion, three hundred fifty-five million, two hundred seventy-one thousand, seventy-seven".