117766866850 has 24 divisors (see below), whose sum is σ = 230575130640. Its totient is φ = 44627443920.

The previous prime is 117766866787. The next prime is 117766866851. The reversal of 117766866850 is 58668667711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (117766866851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61981612 + ... + 61983511.

It is an arithmetic number, because the mean of its divisors is an integer number (9607297110).

Almost surely, 2^117766866850 is an apocalyptic number.

117766866850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117766866850 is a deficient number, since it is larger than the sum of its proper divisors (112808263790).

117766866850 is a wasteful number, since it uses less digits than its factorization.

117766866850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123965154 (or 123965149 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 117766866850 in words is "one hundred seventeen billion, seven hundred sixty-six million, eight hundred sixty-six thousand, eight hundred fifty".