117893867 has 24 divisors (see below), whose sum is σ = 147745248. Its totient is φ = 91607040.

The previous prime is 117893863. The next prime is 117893869. The reversal of 117893867 is 768398711.

It is not a de Polignac number, because 117893867 - 2² = 117893863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117893863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458603 + ... + 458859.

It is an arithmetic number, because the mean of its divisors is an integer number (6156052).

Almost surely, 2^117893867 is an apocalyptic number.

117893867 is a deficient number, since it is larger than the sum of its proper divisors (29851381).

117893867 is an equidigital number, since it uses as much as digits as its factorization.

117893867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 348 counting only the distinct ones).

The product of its digits is 508032, while the sum is 50.

The square root of 117893867 is about 10857.8942249407. The cubic root of 117893867 is about 490.3397158305.

The spelling of 117893867 in words is "one hundred seventeen million, eight hundred ninety-three thousand, eight hundred sixty-seven".