118899789247 has 4 divisors (see below), whose sum is σ = 118908797080. Its totient is φ = 118890781416.

The previous prime is 118899789241. The next prime is 118899789271. The reversal of 118899789247 is 742987998811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118899789247 - 2¹⁹ = 118899264959 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 118899789247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118899789241) 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, 4484088 + ... + 4510525.

It is an arithmetic number, because the mean of its divisors is an integer number (29727199270).

Almost surely, 2^118899789247 is an apocalyptic number.

118899789247 is a deficient number, since it is larger than the sum of its proper divisors (9007833).

118899789247 is an equidigital number, since it uses as much as digits as its factorization.

118899789247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9007832.

The product of its digits is 146313216, while the sum is 73.

The spelling of 118899789247 in words is "one hundred eighteen billion, eight hundred ninety-nine million, seven hundred eighty-nine thousand, two hundred forty-seven".