77605325308511 has 16 divisors (see below), whose sum is σ = 104197359856128. Its totient is φ = 55820014207200.

The previous prime is 77605325308487. The next prime is 77605325308561. The reversal of 77605325308511 is 11580352350677.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77605325308511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77605325308561) 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 15 ways as a sum of consecutive naturals, for example, 38763897755 + ... + 38763899756.

It is an arithmetic number, because the mean of its divisors is an integer number (6512334991008).

Almost surely, 2^{77605325308511} is an apocalyptic number.

77605325308511 is a deficient number, since it is larger than the sum of its proper divisors (26592034547617).

77605325308511 is a wasteful number, since it uses less digits than its factorization.

77605325308511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77527797542.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 77605325308511 in words is "seventy-seven trillion, six hundred five billion, three hundred twenty-five million, three hundred eight thousand, five hundred eleven".