118328087 has 4 divisors (see below), whose sum is σ = 118350600. Its totient is φ = 118305576.

The previous prime is 118328083. The next prime is 118328117. The reversal of 118328087 is 780823811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780823811 = 29 ⋅26924959.

It is a cyclic number.

It is not a de Polignac number, because 118328087 - 2² = 118328083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118328087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118328083) 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, 1289 + ... + 15437.

It is an arithmetic number, because the mean of its divisors is an integer number (29587650).

Almost surely, 2^118328087 is an apocalyptic number.

118328087 is a deficient number, since it is larger than the sum of its proper divisors (22513).

118328087 is an equidigital number, since it uses as much as digits as its factorization.

118328087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22512.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 118328087 is about 10877.8714370046. The cubic root of 118328087 is about 490.9409753961.

The spelling of 118328087 in words is "one hundred eighteen million, three hundred twenty-eight thousand, eighty-seven".