77130552325617 has 20 divisors (see below), whose sum is σ = 131679673107136. Its totient is φ = 44074601328600.

The previous prime is 77130552325609. The next prime is 77130552325633. The reversal of 77130552325617 is 71652325503177.

77130552325617 is a `hidden beast` number, since 7 + 7 + 1 + 3 + 0 + 55 + 23 + 2 + 561 + 7 = 666.

It is not a de Polignac number, because 77130552325617 - 2³ = 77130552325609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77130552325637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68016359509 + ... + 68016360642.

Almost surely, 2^{77130552325617} is an apocalyptic number.

It is an amenable number.

77130552325617 is a deficient number, since it is larger than the sum of its proper divisors (54549120781519).

77130552325617 is a wasteful number, since it uses less digits than its factorization.

77130552325617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136032720170 (or 136032720161 counting only the distinct ones).

The product of its (nonzero) digits is 9261000, while the sum is 54.

The spelling of 77130552325617 in words is "seventy-seven trillion, one hundred thirty billion, five hundred fifty-two million, three hundred twenty-five thousand, six hundred seventeen".