118638032887 has 16 divisors (see below), whose sum is σ = 130650128640. Its totient is φ = 106834464000.

The previous prime is 118638032873. The next prime is 118638032917. The reversal of 118638032887 is 788230836811.

It is a happy number.

It is not a de Polignac number, because 118638032887 - 2⁷ = 118638032759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118638032857) 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, 485164 + ... + 687502.

It is an arithmetic number, because the mean of its divisors is an integer number (8165633040).

Almost surely, 2^118638032887 is an apocalyptic number.

118638032887 is a deficient number, since it is larger than the sum of its proper divisors (12012095753).

118638032887 is a wasteful number, since it uses less digits than its factorization.

118638032887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202854.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 118638032887 in words is "one hundred eighteen billion, six hundred thirty-eight million, thirty-two thousand, eight hundred eighty-seven".