117205347 has 32 divisors (see below), whose sum is σ = 184149504. Its totient is φ = 64915200.

The previous prime is 117205343. The next prime is 117205373. The reversal of 117205347 is 743502711.

It is not a de Polignac number, because 117205347 - 2² = 117205343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117205343) 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, 169272 + ... + 169962.

It is an arithmetic number, because the mean of its divisors is an integer number (5754672).

Almost surely, 2^117205347 is an apocalyptic number.

117205347 is a deficient number, since it is larger than the sum of its proper divisors (66944157).

117205347 is a wasteful number, since it uses less digits than its factorization.

117205347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 117205347 is about 10826.1418335435. The cubic root of 117205347 is about 489.3832960692.

The spelling of 117205347 in words is "one hundred seventeen million, two hundred five thousand, three hundred forty-seven".