117395387 has 4 divisors (see below), whose sum is σ = 124301016. Its totient is φ = 110489760.

The previous prime is 117395363. The next prime is 117395389. The reversal of 117395387 is 783593711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783593711 = 53 ⋅14784787.

It is a cyclic number.

It is not a de Polignac number, because 117395387 - 2²² = 113201083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117395389) 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, 3452789 + ... + 3452822.

It is an arithmetic number, because the mean of its divisors is an integer number (31075254).

Almost surely, 2^117395387 is an apocalyptic number.

117395387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

117395387 is a deficient number, since it is larger than the sum of its proper divisors (6905629).

117395387 is an equidigital number, since it uses as much as digits as its factorization.

117395387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905628.

The product of its digits is 158760, while the sum is 44.

The square root of 117395387 is about 10834.9151819477. The cubic root of 117395387 is about 489.6476531247.

The spelling of 117395387 in words is "one hundred seventeen million, three hundred ninety-five thousand, three hundred eighty-seven".