117490863 has 8 divisors (see below), whose sum is σ = 179033728. Its totient is φ = 67137624.

The previous prime is 117490843. The next prime is 117490907. The reversal of 117490863 is 368094711.

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

It is not a de Polignac number, because 117490863 - 2¹² = 117486767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117490823) 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, 2797381 + ... + 2797422.

It is an arithmetic number, because the mean of its divisors is an integer number (22379216).

Almost surely, 2^117490863 is an apocalyptic number.

117490863 is a deficient number, since it is larger than the sum of its proper divisors (61542865).

117490863 is an equidigital number, since it uses as much as digits as its factorization.

117490863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594813.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 117490863 is about 10839.3202277634. The cubic root of 117490863 is about 489.7803583148.

The spelling of 117490863 in words is "one hundred seventeen million, four hundred ninety thousand, eight hundred sixty-three".