827144330 has 8 divisors (see below), whose sum is σ = 1488859812. Its totient is φ = 330857728.

The previous prime is 827144273. The next prime is 827144363. The reversal of 827144330 is 33441728.

It can be written as a sum of positive squares in 2 ways, for example, as 778465801 + 48678529 = 27901^2 + 6977^2 .

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

It is a super-2 number, since 2×827144330² = 1368335485302297800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 41357207 + ... + 41357226.

Almost surely, 2^827144330 is an apocalyptic number.

827144330 is a deficient number, since it is larger than the sum of its proper divisors (661715482).

827144330 is a wasteful number, since it uses less digits than its factorization.

827144330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82714440.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 827144330 is about 28760.1170025436. The cubic root of 827144330 is about 938.7006076839.

The spelling of 827144330 in words is "eight hundred twenty-seven million, one hundred forty-four thousand, three hundred thirty".