117774297149 has 8 divisors (see below), whose sum is σ = 120522932640. Its totient is φ = 115026102576.

The previous prime is 117774297143. The next prime is 117774297197. The reversal of 117774297149 is 941792477711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117774297149 - 2⁴ = 117774297133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117774297143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464819 + ... + 672015.

It is an arithmetic number, because the mean of its divisors is an integer number (15065366580).

Almost surely, 2^117774297149 is an apocalyptic number.

It is an amenable number.

117774297149 is a deficient number, since it is larger than the sum of its proper divisors (2748635491).

117774297149 is a wasteful number, since it uses less digits than its factorization.

117774297149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220459.

The product of its digits is 6223392, while the sum is 59.

The spelling of 117774297149 in words is "one hundred seventeen billion, seven hundred seventy-four million, two hundred ninety-seven thousand, one hundred forty-nine".