118898889287 has 8 divisors (see below), whose sum is σ = 126098324496. Its totient is φ = 111722274432.

The previous prime is 118898889233. The next prime is 118898889323. The reversal of 118898889287 is 782988898811.

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

It is not a de Polignac number, because 118898889287 - 2¹⁸ = 118898627143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118898889587) 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, 5694353 + ... + 5715194.

It is an arithmetic number, because the mean of its divisors is an integer number (15762290562).

Almost surely, 2^118898889287 is an apocalyptic number.

118898889287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

118898889287 is a deficient number, since it is larger than the sum of its proper divisors (7199435209).

118898889287 is a wasteful number, since it uses less digits than its factorization.

118898889287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11410177.

The product of its digits is 297271296, while the sum is 77.

The spelling of 118898889287 in words is "one hundred eighteen billion, eight hundred ninety-eight million, eight hundred eighty-nine thousand, two hundred eighty-seven".