117635971 has 8 divisors (see below), whose sum is σ = 127206720. Its totient is φ = 108359808.

The previous prime is 117635941. The next prime is 117635981. The reversal of 117635971 is 179536711.

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

It is a cyclic number.

It is not a de Polignac number, because 117635971 - 2⁵ = 117635939 is a prime.

It is a super-2 number, since 2×117635971² = 27676443346225682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117635941) 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, 72816 + ... + 74413.

It is an arithmetic number, because the mean of its divisors is an integer number (15900840).

Almost surely, 2^117635971 is an apocalyptic number.

117635971 is a deficient number, since it is larger than the sum of its proper divisors (9570749).

117635971 is a wasteful number, since it uses less digits than its factorization.

117635971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147293.

The product of its digits is 39690, while the sum is 40.

The square root of 117635971 is about 10846.0117554795. The cubic root of 117635971 is about 489.9819110357.

The spelling of 117635971 in words is "one hundred seventeen million, six hundred thirty-five thousand, nine hundred seventy-one".