827464729 has 12 divisors (see below), whose sum is σ = 1024015296. Its totient is φ = 654696432.

The previous prime is 827464727. The next prime is 827464733. The reversal of 827464729 is 927464728.

It is a happy number.

It is not a de Polignac number, because 827464729 - 2¹ = 827464727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827464727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348549 + ... + 350914.

It is an arithmetic number, because the mean of its divisors is an integer number (85334608).

Almost surely, 2^827464729 is an apocalyptic number.

It is an amenable number.

827464729 is a deficient number, since it is larger than the sum of its proper divisors (196550567).

827464729 is a wasteful number, since it uses less digits than its factorization.

827464729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699496 (or 699483 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The square root of 827464729 is about 28765.6866596297. The cubic root of 827464729 is about 938.8217956878.

Subtracting 827464729 from its reverse (927464728), we obtain a palindrome (99999999).

The spelling of 827464729 in words is "eight hundred twenty-seven million, four hundred sixty-four thousand, seven hundred twenty-nine".