117217850 has 24 divisors (see below), whose sum is σ = 223921308. Its totient is φ = 45619200.

The previous prime is 117217847. The next prime is 117217879. The reversal of 117217850 is 58712711.

It can be written as a sum of positive squares in 6 ways, for example, as 66765241 + 50452609 = 8171^2 + 7103^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29831 + ... + 33530.

Almost surely, 2^117217850 is an apocalyptic number.

117217850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117217850 is a deficient number, since it is larger than the sum of its proper divisors (106703458).

117217850 is a wasteful number, since it uses less digits than its factorization.

117217850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63410 (or 63405 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 32.

The square root of 117217850 is about 10826.7192630085. The cubic root of 117217850 is about 489.4006972713.

The spelling of 117217850 in words is "one hundred seventeen million, two hundred seventeen thousand, eight hundred fifty".