117247755 has 16 divisors (see below), whose sum is σ = 187773984. Its totient is φ = 62472960.

The previous prime is 117247723. The next prime is 117247763. The reversal of 117247755 is 557742711.

It is a happy number.

It is not a de Polignac number, because 117247755 - 2⁵ = 117247723 is a prime.

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, 16095 + ... + 22215.

It is an arithmetic number, because the mean of its divisors is an integer number (11735874).

Almost surely, 2^117247755 is an apocalyptic number.

117247755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117247755 is a deficient number, since it is larger than the sum of its proper divisors (70526229).

117247755 is a wasteful number, since it uses less digits than its factorization.

117247755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7406.

The product of its digits is 68600, while the sum is 39.

The square root of 117247755 is about 10828.1002488895. The cubic root of 117247755 is about 489.4423128995.

The spelling of 117247755 in words is "one hundred seventeen million, two hundred forty-seven thousand, seven hundred fifty-five".