117463778 has 8 divisors (see below), whose sum is σ = 186560172. Its totient is φ = 55277056.

The previous prime is 117463771. The next prime is 117463813. The reversal of 117463778 is 877364711.

It can be written as a sum of positive squares in 2 ways, for example, as 99460729 + 18003049 = 9973^2 + 4243^2 .

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

It is not an unprimeable number, because it can be changed into a prime (117463771) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1727375 + ... + 1727442.

Almost surely, 2^117463778 is an apocalyptic number.

117463778 is a deficient number, since it is larger than the sum of its proper divisors (69096394).

117463778 is a wasteful number, since it uses less digits than its factorization.

117463778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454836.

The product of its digits is 197568, while the sum is 44.

The square root of 117463778 is about 10838.0707692836. The cubic root of 117463778 is about 489.7427193014.

The spelling of 117463778 in words is "one hundred seventeen million, four hundred sixty-three thousand, seven hundred seventy-eight".