65477310077357 has 4 divisors (see below), whose sum is σ = 65477611681980. Its totient is φ = 65477008472736.

The previous prime is 65477310077323. The next prime is 65477310077369. The reversal of 65477310077357 is 75377001377456.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16576086247876 + 48901223829481 = 4071374^2 + 6992941^2 .

It is a cyclic number.

It is not a de Polignac number, because 65477310077357 - 2⁶ = 65477310077293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65477310077357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65477310077657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150476432 + ... + 150910937.

It is an arithmetic number, because the mean of its divisors is an integer number (16369402920495).

Almost surely, 2^{65477310077357} is an apocalyptic number.

It is an amenable number.

65477310077357 is a deficient number, since it is larger than the sum of its proper divisors (301604623).

65477310077357 is a wasteful number, since it uses less digits than its factorization.

65477310077357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301604622.

The product of its (nonzero) digits is 90757800, while the sum is 62.

The spelling of 65477310077357 in words is "sixty-five trillion, four hundred seventy-seven billion, three hundred ten million, seventy-seven thousand, three hundred fifty-seven".