827396827 has 4 divisors (see below), whose sum is σ = 831554800. Its totient is φ = 823238856.

The previous prime is 827396797. The next prime is 827396839. The reversal of 827396827 is 728693728.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-827396827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827396887) 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, 2078688 + ... + 2079085.

It is an arithmetic number, because the mean of its divisors is an integer number (207888700).

Almost surely, 2^827396827 is an apocalyptic number.

827396827 is a deficient number, since it is larger than the sum of its proper divisors (4157973).

827396827 is a wasteful number, since it uses less digits than its factorization.

827396827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157972.

The product of its digits is 2032128, while the sum is 52.

The square root of 827396827 is about 28764.5063750449. The cubic root of 827396827 is about 938.7961149874.

The spelling of 827396827 in words is "eight hundred twenty-seven million, three hundred ninety-six thousand, eight hundred twenty-seven".