117198038 has 4 divisors (see below), whose sum is σ = 175797060. Its totient is φ = 58599018.

The previous prime is 117198031. The next prime is 117198047. The reversal of 117198038 is 830891711.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×117198038² = 27470760222098888, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 117197992 and 117198010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117198031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29299508 + ... + 29299511.

It is an arithmetic number, because the mean of its divisors is an integer number (43949265).

Almost surely, 2^117198038 is an apocalyptic number.

117198038 is a deficient number, since it is larger than the sum of its proper divisors (58599022).

117198038 is an equidigital number, since it uses as much as digits as its factorization.

117198038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58599021.

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 117198038 is about 10825.8042657347. The cubic root of 117198038 is about 489.3731231065.

The spelling of 117198038 in words is "one hundred seventeen million, one hundred ninety-eight thousand, thirty-eight".