117555378 has 32 divisors (see below), whose sum is σ = 245146176. Its totient is φ = 37547328.

The previous prime is 117555359. The next prime is 117555419. The reversal of 117555378 is 873555711.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9376 + ... + 17972.

It is an arithmetic number, because the mean of its divisors is an integer number (7660818).

Almost surely, 2^117555378 is an apocalyptic number.

117555378 is an abundant number, since it is smaller than the sum of its proper divisors (127590798).

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

117555378 is a wasteful number, since it uses less digits than its factorization.

117555378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8698.

The product of its digits is 147000, while the sum is 42.

The square root of 117555378 is about 10842.2957900991. The cubic root of 117555378 is about 489.8699891088.

The spelling of 117555378 in words is "one hundred seventeen million, five hundred fifty-five thousand, three hundred seventy-eight".