117834487 has 8 divisors (see below), whose sum is σ = 119398320. Its totient is φ = 116276160.

The previous prime is 117834473. The next prime is 117834517. The reversal of 117834487 is 784438711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117834487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117234487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57828 + ... + 59830.

It is an arithmetic number, because the mean of its divisors is an integer number (14924790).

Almost surely, 2^117834487 is an apocalyptic number.

117834487 is a deficient number, since it is larger than the sum of its proper divisors (1563833).

117834487 is an equidigital number, since it uses as much as digits as its factorization.

117834487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753.

The product of its digits is 150528, while the sum is 43.

The square root of 117834487 is about 10855.1594645127. The cubic root of 117834487 is about 490.2573783213.

The spelling of 117834487 in words is "one hundred seventeen million, eight hundred thirty-four thousand, four hundred eighty-seven".