117890618350 has 12 divisors (see below), whose sum is σ = 219276550224. Its totient is φ = 47156247320.

The previous prime is 117890618281. The next prime is 117890618393. The reversal of 117890618350 is 53816098711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 117890618294 and 117890618303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1178906134 + ... + 1178906233.

It is an arithmetic number, because the mean of its divisors is an integer number (18273045852).

Almost surely, 2^117890618350 is an apocalyptic number.

117890618350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117890618350 is a deficient number, since it is larger than the sum of its proper divisors (101385931874).

117890618350 is a wasteful number, since it uses less digits than its factorization.

117890618350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357812379 (or 2357812374 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 49.

The spelling of 117890618350 in words is "one hundred seventeen billion, eight hundred ninety million, six hundred eighteen thousand, three hundred fifty".