77064882353 has 4 divisors (see below), whose sum is σ = 77078019060. Its totient is φ = 77051745648.

The previous prime is 77064882343. The next prime is 77064882359. The reversal of 77064882353 is 35328846077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35328846077 = 7 ⋅5046978011.

It can be written as a sum of positive squares in 2 ways, for example, as 39556038769 + 37508843584 = 198887^2 + 193672^2 .

It is a cyclic number.

It is not a de Polignac number, because 77064882353 - 2⁶ = 77064882289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77064882295 and 77064882304.

It is not an unprimeable number, because it can be changed into a prime (77064882359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6559550 + ... + 6571287.

It is an arithmetic number, because the mean of its divisors is an integer number (19269504765).

Almost surely, 2^77064882353 is an apocalyptic number.

It is an amenable number.

77064882353 is a deficient number, since it is larger than the sum of its proper divisors (13136707).

77064882353 is a wasteful number, since it uses less digits than its factorization.

77064882353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13136706.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 77064882353 in words is "seventy-seven billion, sixty-four million, eight hundred eighty-two thousand, three hundred fifty-three".