118887329 has 4 divisors (see below), whose sum is σ = 129695280. Its totient is φ = 108079380.

The previous prime is 118887319. The next prime is 118887359. The reversal of 118887329 is 923788811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 923788811 = 11 ⋅83980801.

It is a cyclic number.

It is not a de Polignac number, because 118887329 - 2⁸ = 118887073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118887319) 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, 5403959 + ... + 5403980.

It is an arithmetic number, because the mean of its divisors is an integer number (32423820).

Almost surely, 2^118887329 is an apocalyptic number.

It is an amenable number.

118887329 is a deficient number, since it is larger than the sum of its proper divisors (10807951).

118887329 is a wasteful number, since it uses less digits than its factorization.

118887329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10807950.

The product of its digits is 193536, while the sum is 47.

The square root of 118887329 is about 10903.5466248373. The cubic root of 118887329 is about 491.7131882565.

The spelling of 118887329 in words is "one hundred eighteen million, eight hundred eighty-seven thousand, three hundred twenty-nine".