117797955 has 16 divisors (see below), whose sum is σ = 205611264. Its totient is φ = 57114080.

The previous prime is 117797917. The next prime is 117797957. The reversal of 117797955 is 559797711.

It is not a de Polignac number, because 117797955 - 2⁸ = 117797699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117797898 and 117797907.

It is not an unprimeable number, because it can be changed into a prime (117797957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356799 + ... + 357128.

It is an arithmetic number, because the mean of its divisors is an integer number (12850704).

Almost surely, 2^117797955 is an apocalyptic number.

117797955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117797955 is a deficient number, since it is larger than the sum of its proper divisors (87813309).

117797955 is a wasteful number, since it uses less digits than its factorization.

117797955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713946.

The product of its digits is 694575, while the sum is 51.

The square root of 117797955 is about 10853.4766319369. The cubic root of 117797955 is about 490.2067085664.

The spelling of 117797955 in words is "one hundred seventeen million, seven hundred ninety-seven thousand, nine hundred fifty-five".