117950849 has 4 divisors (see below), whose sum is σ = 120693936. Its totient is φ = 115207764.

The previous prime is 117950843. The next prime is 117950863. The reversal of 117950849 is 948059711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117950849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117950843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1371479 + ... + 1371564.

It is an arithmetic number, because the mean of its divisors is an integer number (30173484).

Almost surely, 2^117950849 is an apocalyptic number.

It is an amenable number.

117950849 is a deficient number, since it is larger than the sum of its proper divisors (2743087).

117950849 is an equidigital number, since it uses as much as digits as its factorization.

117950849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743086.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 117950849 is about 10860.5178974117. The cubic root of 117950849 is about 490.4187022332.

The spelling of 117950849 in words is "one hundred seventeen million, nine hundred fifty thousand, eight hundred forty-nine".