117472865 has 8 divisors (see below), whose sum is σ = 141191208. Its totient is φ = 93829120.

The previous prime is 117472853. The next prime is 117472871. The reversal of 117472865 is 568274711.

It can be written as a sum of positive squares in 4 ways, for example, as 27583504 + 89889361 = 5252^2 + 9481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117472865 - 2¹⁰ = 117471841 is a prime.

It is a super-3 number, since 3×117472865³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15122 + ... + 21531.

It is an arithmetic number, because the mean of its divisors is an integer number (17648901).

Almost surely, 2^117472865 is an apocalyptic number.

It is an amenable number.

117472865 is a deficient number, since it is larger than the sum of its proper divisors (23718343).

117472865 is an equidigital number, since it uses as much as digits as its factorization.

117472865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37299.

The product of its digits is 94080, while the sum is 41.

The square root of 117472865 is about 10838.4899778521. The cubic root of 117472865 is about 489.7553478110.

The spelling of 117472865 in words is "one hundred seventeen million, four hundred seventy-two thousand, eight hundred sixty-five".