111347827 has 4 divisors (see below), whose sum is σ = 112333320. Its totient is φ = 110362336.

The previous prime is 111347801. The next prime is 111347857. The reversal of 111347827 is 728743111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 728743111 = 691 ⋅1054621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111347827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111347792 and 111347801.

It is not an unprimeable number, because it can be changed into a prime (111347857) 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, 492577 + ... + 492802.

It is an arithmetic number, because the mean of its divisors is an integer number (28083330).

Almost surely, 2^111347827 is an apocalyptic number.

111347827 is a deficient number, since it is larger than the sum of its proper divisors (985493).

111347827 is an equidigital number, since it uses as much as digits as its factorization.

111347827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985492.

The product of its digits is 9408, while the sum is 34.

The square root of 111347827 is about 10552.1479803877. The cubic root of 111347827 is about 481.0910179979.

The spelling of 111347827 in words is "one hundred eleven million, three hundred forty-seven thousand, eight hundred twenty-seven".