117690206 has 4 divisors (see below), whose sum is σ = 176535312. Its totient is φ = 58845102.

The previous prime is 117690203. The next prime is 117690211. The reversal of 117690206 is 602096711.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117690203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29422550 + ... + 29422553.

It is an arithmetic number, because the mean of its divisors is an integer number (44133828).

Almost surely, 2^117690206 is an apocalyptic number.

117690206 is a deficient number, since it is larger than the sum of its proper divisors (58845106).

117690206 is an equidigital number, since it uses as much as digits as its factorization.

117690206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58845105.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 117690206 is about 10848.5116951589. The cubic root of 117690206 is about 490.0572000419.

The spelling of 117690206 in words is "one hundred seventeen million, six hundred ninety thousand, two hundred six".