118777066 has 4 divisors (see below), whose sum is σ = 178165602. Its totient is φ = 59388532.

The previous prime is 118777063. The next prime is 118777093. The reversal of 118777066 is 660777811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660777811 = 17 ⋅38869283.

It can be written as a sum of positive squares in only one way, i.e., 107019025 + 11758041 = 10345^2 + 3429^2 .

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (118777063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29694265 + ... + 29694268.

Almost surely, 2^118777066 is an apocalyptic number.

118777066 is a deficient number, since it is larger than the sum of its proper divisors (59388536).

118777066 is an equidigital number, since it uses as much as digits as its factorization.

118777066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59388535.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 118777066 is about 10898.4891613471. The cubic root of 118777066 is about 491.5611267993.

The spelling of 118777066 in words is "one hundred eighteen million, seven hundred seventy-seven thousand, sixty-six".