117867849 has 16 divisors (see below), whose sum is σ = 180468480. Its totient is φ = 67674960.

The previous prime is 117867833. The next prime is 117867853. The reversal of 117867849 is 948768711.

It is not a de Polignac number, because 117867849 - 2⁴ = 117867833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117867809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93367 + ... + 94620.

It is an arithmetic number, because the mean of its divisors is an integer number (11279280).

Almost surely, 2^117867849 is an apocalyptic number.

117867849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

117867849 is a deficient number, since it is larger than the sum of its proper divisors (62600631).

117867849 is a wasteful number, since it uses less digits than its factorization.

117867849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188020.

The product of its digits is 677376, while the sum is 51.

The square root of 117867849 is about 10856.6960443774. The cubic root of 117867849 is about 490.3036421493.

The spelling of 117867849 in words is "one hundred seventeen million, eight hundred sixty-seven thousand, eight hundred forty-nine".