118779486736 has 15 divisors (see below), whose sum is σ = 230137926573. Its totient is φ = 59389054080.

The previous prime is 118779486733. The next prime is 118779486743. The reversal of 118779486736 is 637684977811.

The square root of 118779486736 is 344644.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13492216336 + 105287270400 = 116156^2 + 324480^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118779486733) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1335496 + ... + 1421656.

Almost surely, 2^118779486736 is an apocalyptic number.

118779486736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

118779486736 is the 344644-th square number.

It is an amenable number.

118779486736 is a deficient number, since it is larger than the sum of its proper divisors (111358439837).

118779486736 is an frugal number, since it uses more digits than its factorization.

118779486736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172330 (or 86163 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 67.

The spelling of 118779486736 in words is "one hundred eighteen billion, seven hundred seventy-nine million, four hundred eighty-six thousand, seven hundred thirty-six".