117272828 has 6 divisors (see below), whose sum is σ = 205227456. Its totient is φ = 58636412.

The previous prime is 117272809. The next prime is 117272843. The reversal of 117272828 is 828272711.

It is a junction number, because it is equal to n+sod(n) for n = 117272791 and 117272800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14659100 + ... + 14659107.

It is an arithmetic number, because the mean of its divisors is an integer number (34204576).

Almost surely, 2^117272828 is an apocalyptic number.

It is an amenable number.

117272828 is a deficient number, since it is larger than the sum of its proper divisors (87954628).

117272828 is a wasteful number, since it uses less digits than its factorization.

117272828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29318211 (or 29318209 counting only the distinct ones).

The product of its digits is 25088, while the sum is 38.

The square root of 117272828 is about 10829.2579616519. The cubic root of 117272828 is about 489.4771988908.

The spelling of 117272828 in words is "one hundred seventeen million, two hundred seventy-two thousand, eight hundred twenty-eight".