118443899 has 8 divisors (see below), whose sum is σ = 135720960. Its totient is φ = 101255976.

The previous prime is 118443893. The next prime is 118443911. The reversal of 118443899 is 998344811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118443899 - 2⁸ = 118443643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118443893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19409 + ... + 24770.

It is an arithmetic number, because the mean of its divisors is an integer number (16965120).

Almost surely, 2^118443899 is an apocalyptic number.

118443899 is a deficient number, since it is larger than the sum of its proper divisors (17277061).

118443899 is an equidigital number, since it uses as much as digits as its factorization.

118443899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44569.

The product of its digits is 248832, while the sum is 47.

The square root of 118443899 is about 10883.1934192129. The cubic root of 118443899 is about 491.1010904302.

The spelling of 118443899 in words is "one hundred eighteen million, four hundred forty-three thousand, eight hundred ninety-nine".