122663765577 has 16 divisors (see below), whose sum is σ = 170673740928. Its totient is φ = 78215280000.

The previous prime is 122663765533. The next prime is 122663765579. The reversal of 122663765577 is 775567366221.

It is not a de Polignac number, because 122663765577 - 2⁶ = 122663765513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122663765579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1209327 + ... + 1306827.

It is an arithmetic number, because the mean of its divisors is an integer number (10667108808).

Almost surely, 2^122663765577 is an apocalyptic number.

It is an amenable number.

122663765577 is a deficient number, since it is larger than the sum of its proper divisors (48009975351).

122663765577 is a wasteful number, since it uses less digits than its factorization.

122663765577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115760.

The product of its digits is 22226400, while the sum is 57.

The spelling of 122663765577 in words is "one hundred twenty-two billion, six hundred sixty-three million, seven hundred sixty-five thousand, five hundred seventy-seven".