827147243 has 8 divisors (see below), whose sum is σ = 912500736. Its totient is φ = 744897600.

The previous prime is 827147201. The next prime is 827147287. The reversal of 827147243 is 342741728.

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

It is a cyclic number.

It is not a de Polignac number, because 827147243 - 2⁶ = 827147179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 827147197 and 827147206.

It is not an unprimeable number, because it can be changed into a prime (827147443) 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, 775403 + ... + 776468.

It is an arithmetic number, because the mean of its divisors is an integer number (114062592).

Almost surely, 2^827147243 is an apocalyptic number.

827147243 is a deficient number, since it is larger than the sum of its proper divisors (85353493).

827147243 is a wasteful number, since it uses less digits than its factorization.

827147243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551925.

The product of its digits is 75264, while the sum is 38.

The square root of 827147243 is about 28760.1676455475. The cubic root of 827147243 is about 938.7017096406.

The spelling of 827147243 in words is "eight hundred twenty-seven million, one hundred forty-seven thousand, two hundred forty-three".