118772399 has 4 divisors (see below), whose sum is σ = 119131560. Its totient is φ = 118413240.

The previous prime is 118772383. The next prime is 118772411. The reversal of 118772399 is 993277811.

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

It is a cyclic number.

It is not a de Polignac number, because 118772399 - 2⁴ = 118772383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118772309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179084 + ... + 179745.

It is an arithmetic number, because the mean of its divisors is an integer number (29782890).

Almost surely, 2^118772399 is an apocalyptic number.

118772399 is a deficient number, since it is larger than the sum of its proper divisors (359161).

118772399 is an equidigital number, since it uses as much as digits as its factorization.

118772399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359160.

The product of its digits is 190512, while the sum is 47.

The square root of 118772399 is about 10898.2750469971. The cubic root of 118772399 is about 491.5546885591.

The spelling of 118772399 in words is "one hundred eighteen million, seven hundred seventy-two thousand, three hundred ninety-nine".