77700343677707 has 4 divisors (see below), whose sum is σ = 80379665873520. Its totient is φ = 75021021481896.

The previous prime is 77700343677673. The next prime is 77700343677731. The reversal of 77700343677707 is 70777634300777.

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

It is a cyclic number.

It is not a de Polignac number, because 77700343677707 - 2²⁴ = 77700326900491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77700343607707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1339661097863 + ... + 1339661097920.

It is an arithmetic number, because the mean of its divisors is an integer number (20094916468380).

Almost surely, 2^{77700343677707} is an apocalyptic number.

77700343677707 is a deficient number, since it is larger than the sum of its proper divisors (2679322195813).

77700343677707 is a wasteful number, since it uses less digits than its factorization.

77700343677707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679322195812.

The product of its (nonzero) digits is 177885288, while the sum is 65.

The spelling of 77700343677707 in words is "seventy-seven trillion, seven hundred billion, three hundred forty-three million, six hundred seventy-seven thousand, seven hundred seven".