117440785 has 32 divisors (see below), whose sum is σ = 177225984. Its totient is φ = 73180800.

The previous prime is 117440773. The next prime is 117440789. The reversal of 117440785 is 587044711.

It is not a de Polignac number, because 117440785 - 2¹³ = 117432593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117440789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45325 + ... + 47845.

It is an arithmetic number, because the mean of its divisors is an integer number (5538312).

Almost surely, 2^117440785 is an apocalyptic number.

It is an amenable number.

117440785 is a deficient number, since it is larger than the sum of its proper divisors (59785199).

117440785 is an equidigital number, since it uses as much as digits as its factorization.

117440785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566 (or 2544 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 117440785 is about 10837.0099658531. The cubic root of 117440785 is about 489.7107622466.

The spelling of 117440785 in words is "one hundred seventeen million, four hundred forty thousand, seven hundred eighty-five".