827963899 has 8 divisors (see below), whose sum is σ = 948384000. Its totient is φ = 708078696.

The previous prime is 827963897. The next prime is 827963909. The reversal of 827963899 is 998369728.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 827963899 - 2¹ = 827963897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827963897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130399 + ... + 136600.

It is an arithmetic number, because the mean of its divisors is an integer number (118548000).

Almost surely, 2^827963899 is an apocalyptic number.

827963899 is a deficient number, since it is larger than the sum of its proper divisors (120420101).

827963899 is a wasteful number, since it uses less digits than its factorization.

827963899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267449.

The product of its digits is 11757312, while the sum is 61.

The square root of 827963899 is about 28774.3618348001. The cubic root of 827963899 is about 939.0105398749.

The spelling of 827963899 in words is "eight hundred twenty-seven million, nine hundred sixty-three thousand, eight hundred ninety-nine".