827076109 has 4 divisors (see below), whose sum is σ = 827152704. Its totient is φ = 826999516.

The previous prime is 827076079. The next prime is 827076121. The reversal of 827076109 is 901670728.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 827076109 - 2⁷ = 827075981 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827076169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18787 + ... + 44800.

It is an arithmetic number, because the mean of its divisors is an integer number (206788176).

Almost surely, 2^827076109 is an apocalyptic number.

It is an amenable number.

827076109 is a deficient number, since it is larger than the sum of its proper divisors (76595).

827076109 is a wasteful number, since it uses less digits than its factorization.

827076109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76594.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 827076109 is about 28758.9309432740. The cubic root of 827076109 is about 938.6747996709.

The spelling of 827076109 in words is "eight hundred twenty-seven million, seventy-six thousand, one hundred nine".