827945230349 has 4 divisors (see below), whose sum is σ = 827969254236. Its totient is φ = 827921206464.

The previous prime is 827945230339. The next prime is 827945230373. The reversal of 827945230349 is 943032549728.

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

It can be written as a sum of positive squares in 2 ways, for example, as 477540427849 + 350404802500 = 691043^2 + 591950^2 .

It is a cyclic number.

It is not a de Polignac number, because 827945230349 - 2⁸ = 827945230093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 827945230294 and 827945230303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827945230339) 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, 11960174 + ... + 12029199.

It is an arithmetic number, because the mean of its divisors is an integer number (206992313559).

Almost surely, 2^827945230349 is an apocalyptic number.

It is an amenable number.

827945230349 is a deficient number, since it is larger than the sum of its proper divisors (24023887).

827945230349 is a wasteful number, since it uses less digits than its factorization.

827945230349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24023886.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 827945230349 in words is "eight hundred twenty-seven billion, nine hundred forty-five million, two hundred thirty thousand, three hundred forty-nine".