117947485 has 4 divisors (see below), whose sum is σ = 141536988. Its totient is φ = 94357984.

The previous prime is 117947461. The next prime is 117947503. The reversal of 117947485 is 584749711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81054009 + 36893476 = 9003^2 + 6074^2 .

It is a cyclic number.

It is not a de Polignac number, because 117947485 - 2¹¹ = 117945437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11794744 + ... + 11794753.

It is an arithmetic number, because the mean of its divisors is an integer number (35384247).

Almost surely, 2^117947485 is an apocalyptic number.

It is an amenable number.

117947485 is a deficient number, since it is larger than the sum of its proper divisors (23589503).

117947485 is an equidigital number, since it uses as much as digits as its factorization.

117947485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23589502.

The product of its digits is 282240, while the sum is 46.

The square root of 117947485 is about 10860.3630233984. The cubic root of 117947485 is about 490.4140398839.

The spelling of 117947485 in words is "one hundred seventeen million, nine hundred forty-seven thousand, four hundred eighty-five".