117478444 has 12 divisors (see below), whose sum is σ = 216407800. Its totient is φ = 55647648.

The previous prime is 117478433. The next prime is 117478447. The reversal of 117478444 is 444874711.

It is a super-2 number, since 2×117478444² = 27602369609322272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117478397 and 117478406.

It is not an unprimeable number, because it can be changed into a prime (117478447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772809 + ... + 772960.

Almost surely, 2^117478444 is an apocalyptic number.

It is an amenable number.

117478444 is a deficient number, since it is larger than the sum of its proper divisors (98929356).

117478444 is a wasteful number, since it uses less digits than its factorization.

117478444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545792 (or 1545790 counting only the distinct ones).

The product of its digits is 100352, while the sum is 40.

The square root of 117478444 is about 10838.7473445966. The cubic root of 117478444 is about 489.7631008123.

The spelling of 117478444 in words is "one hundred seventeen million, four hundred seventy-eight thousand, four hundred forty-four".