118455672779 has 4 divisors (see below), whose sum is σ = 118841522184. Its totient is φ = 118069823376.

The previous prime is 118455672737. The next prime is 118455672793. The reversal of 118455672779 is 977276554811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 977276554811 = 2731 ⋅357845681.

It is a cyclic number.

It is not a de Polignac number, because 118455672779 - 2³⁶ = 49736196043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118455678779) 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, 192924242 + ... + 192924855.

It is an arithmetic number, because the mean of its divisors is an integer number (29710380546).

Almost surely, 2^118455672779 is an apocalyptic number.

118455672779 is a deficient number, since it is larger than the sum of its proper divisors (385849405).

118455672779 is an equidigital number, since it uses as much as digits as its factorization.

118455672779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385849404.

The product of its digits is 29635200, while the sum is 62.

The spelling of 118455672779 in words is "one hundred eighteen billion, four hundred fifty-five million, six hundred seventy-two thousand, seven hundred seventy-nine".