117874784890 has 16 divisors (see below), whose sum is σ = 215770793760. Its totient is φ = 46350762640.

The previous prime is 117874784879. The next prime is 117874784891. The reversal of 117874784890 is 98487478711.

117874784890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (117874784891) 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, 99893296 + ... + 99894475.

It is an arithmetic number, because the mean of its divisors is an integer number (13485674610).

Almost surely, 2^117874784890 is an apocalyptic number.

117874784890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117874784890 is a deficient number, since it is larger than the sum of its proper divisors (97896008870).

117874784890 is a wasteful number, since it uses less digits than its factorization.

117874784890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199787837.

The product of its (nonzero) digits is 25288704, while the sum is 64.

The spelling of 117874784890 in words is "one hundred seventeen billion, eight hundred seventy-four million, seven hundred eighty-four thousand, eight hundred ninety".