117659481 has 8 divisors (see below), whose sum is σ = 160527840. Its totient is φ = 76615392.

The previous prime is 117659473. The next prime is 117659491. The reversal of 117659481 is 184956711.

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

It is not a de Polignac number, because 117659481 - 2³ = 117659473 is a prime.

It is a super-2 number, since 2×117659481² = 27687506938378722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117659401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455916 + ... + 456173.

It is an arithmetic number, because the mean of its divisors is an integer number (20065980).

Almost surely, 2^117659481 is an apocalyptic number.

It is an amenable number.

117659481 is a deficient number, since it is larger than the sum of its proper divisors (42868359).

117659481 is an equidigital number, since it uses as much as digits as its factorization.

117659481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912135.

The product of its digits is 60480, while the sum is 42.

The square root of 117659481 is about 10847.0955098588. The cubic root of 117659481 is about 490.0145504495.

The spelling of 117659481 in words is "one hundred seventeen million, six hundred fifty-nine thousand, four hundred eighty-one".