117863472 has 30 divisors (see below), whose sum is σ = 304675068. Its totient is φ = 39262752.

The previous prime is 117863461. The next prime is 117863489. The reversal of 117863472 is 274368711.

It is a self number, because there is not a number n which added to its sum of digits gives 117863472.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74433 + ... + 75999.

Almost surely, 2^117863472 is an apocalyptic number.

117863472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117863472 is an abundant number, since it is smaller than the sum of its proper divisors (186811596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117863472 is an frugal number, since it uses more digits than its factorization.

117863472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145 (or 1572 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 117863472 is about 10856.4944618417. The cubic root of 117863472 is about 490.2975729635.

The spelling of 117863472 in words is "one hundred seventeen million, eight hundred sixty-three thousand, four hundred seventy-two".