117973798 has 12 divisors (see below), whose sum is σ = 183275820. Its totient is φ = 56952056.

The previous prime is 117973783. The next prime is 117973819. The reversal of 117973798 is 897379711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33388 + ... + 36751.

It is an arithmetic number, because the mean of its divisors is an integer number (15272985).

Almost surely, 2^117973798 is an apocalyptic number.

117973798 is a deficient number, since it is larger than the sum of its proper divisors (65302022).

117973798 is an equidigital number, since it uses as much as digits as its factorization.

117973798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70199 (or 70170 counting only the distinct ones).

The product of its digits is 666792, while the sum is 52.

The square root of 117973798 is about 10861.5743794351. The cubic root of 117973798 is about 490.4505061274.

It can be divided in two parts, 11 and 7973798, that multiplied together give a palindrome (87711778).

The spelling of 117973798 in words is "one hundred seventeen million, nine hundred seventy-three thousand, seven hundred ninety-eight".