118779446 has 4 divisors (see below), whose sum is σ = 178169172. Its totient is φ = 59389722.

The previous prime is 118779443. The next prime is 118779467. The reversal of 118779446 is 644977811.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 118779446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118779443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29694860 + ... + 29694863.

It is an arithmetic number, because the mean of its divisors is an integer number (44542293).

Almost surely, 2^118779446 is an apocalyptic number.

118779446 is a deficient number, since it is larger than the sum of its proper divisors (59389726).

118779446 is an equidigital number, since it uses as much as digits as its factorization.

118779446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59389725.

The product of its digits is 338688, while the sum is 47.

The square root of 118779446 is about 10898.5983502467. The cubic root of 118779446 is about 491.5644100023.

The spelling of 118779446 in words is "one hundred eighteen million, seven hundred seventy-nine thousand, four hundred forty-six".