77006052142055 has 4 divisors (see below), whose sum is σ = 92407262570472. Its totient is φ = 61604841713640.

The previous prime is 77006052141979. The next prime is 77006052142091. The reversal of 77006052142055 is 55024125060077.

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

It is not a de Polignac number, because 77006052142055 - 2²⁰ = 77006051093479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77006052141997 and 77006052142015.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7700605214201 + ... + 7700605214210.

It is an arithmetic number, because the mean of its divisors is an integer number (23101815642618).

Almost surely, 2^{77006052142055} is an apocalyptic number.

77006052142055 is a deficient number, since it is larger than the sum of its proper divisors (15401210428417).

77006052142055 is a wasteful number, since it uses less digits than its factorization.

77006052142055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15401210428416.

The product of its (nonzero) digits is 588000, while the sum is 44.

The spelling of 77006052142055 in words is "seventy-seven trillion, six billion, fifty-two million, one hundred forty-two thousand, fifty-five".