117447065 has 16 divisors (see below), whose sum is σ = 149422080. Its totient is φ = 88464960.

The previous prime is 117447059. The next prime is 117447073. The reversal of 117447065 is 560744711.

It is a happy number.

It is not a de Polignac number, because 117447065 - 2⁴ = 117447049 is a prime.

It is a super-2 number, since 2×117447065² = 27587626154228450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4505 + ... + 15974.

It is an arithmetic number, because the mean of its divisors is an integer number (9338880).

Almost surely, 2^117447065 is an apocalyptic number.

It is an amenable number.

117447065 is a deficient number, since it is larger than the sum of its proper divisors (31975015).

117447065 is a wasteful number, since it uses less digits than its factorization.

117447065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20552.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 117447065 is about 10837.2997097986. The cubic root of 117447065 is about 489.7194909825.

It can be divided in two parts, 11744706 and 5, that added together give a palindrome (11744711).

The spelling of 117447065 in words is "one hundred seventeen million, four hundred forty-seven thousand, sixty-five".