117945337 has 4 divisors (see below), whose sum is σ = 124883316. Its totient is φ = 111007360.

The previous prime is 117945319. The next prime is 117945343. The reversal of 117945337 is 733549711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 733549711 = 17 ⋅43149983.

It can be written as a sum of positive squares in 2 ways, for example, as 53640976 + 64304361 = 7324^2 + 8019^2 .

It is a cyclic number.

It is not a de Polignac number, because 117945337 - 2²³ = 109556729 is a prime.

It is a super-2 number, since 2×117945337² = 27822205040087138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117945337.

It is not an unprimeable number, because it can be changed into a prime (117945367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3468964 + ... + 3468997.

It is an arithmetic number, because the mean of its divisors is an integer number (31220829).

Almost surely, 2^117945337 is an apocalyptic number.

117945337 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

117945337 is a deficient number, since it is larger than the sum of its proper divisors (6937979).

117945337 is an equidigital number, since it uses as much as digits as its factorization.

117945337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6937978.

The product of its digits is 79380, while the sum is 40.

The square root of 117945337 is about 10860.2641312263. The cubic root of 117945337 is about 490.4110628082.

The spelling of 117945337 in words is "one hundred seventeen million, nine hundred forty-five thousand, three hundred thirty-seven".