118407899 has 16 divisors (see below), whose sum is σ = 126403200. Its totient is φ = 110726784.

The previous prime is 118407889. The next prime is 118407923. The reversal of 118407899 is 998704811.

It is a cyclic number.

It is not a de Polignac number, because 118407899 - 2¹⁶ = 118342363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118407889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148169 + ... + 148965.

It is an arithmetic number, because the mean of its divisors is an integer number (7900200).

Almost surely, 2^118407899 is an apocalyptic number.

118407899 is a deficient number, since it is larger than the sum of its proper divisors (7995301).

118407899 is a wasteful number, since it uses less digits than its factorization.

118407899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982.

The product of its (nonzero) digits is 145152, while the sum is 47.

The square root of 118407899 is about 10881.5393672035. The cubic root of 118407899 is about 491.0513300769.

The spelling of 118407899 in words is "one hundred eighteen million, four hundred seven thousand, eight hundred ninety-nine".