117803788278 has 64 divisors (see below), whose sum is σ = 258211100160. Its totient is φ = 35533971200.

The previous prime is 117803788121. The next prime is 117803788303. The reversal of 117803788278 is 872887308711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13371751 + ... + 13380557.

It is an arithmetic number, because the mean of its divisors is an integer number (4034548440).

Almost surely, 2^117803788278 is an apocalyptic number.

117803788278 is an abundant number, since it is smaller than the sum of its proper divisors (140407311882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117803788278 is a wasteful number, since it uses less digits than its factorization.

117803788278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9733.

The product of its (nonzero) digits is 8429568, while the sum is 60.

The spelling of 117803788278 in words is "one hundred seventeen billion, eight hundred three million, seven hundred eighty-eight thousand, two hundred seventy-eight".