827775836 has 12 divisors (see below), whose sum is σ = 1475940312. Its totient is φ = 406078608.

The previous prime is 827775829. The next prime is 827775847. The reversal of 827775836 is 638577728.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952090 + ... + 1952513.

It is an arithmetic number, because the mean of its divisors is an integer number (122995026).

Almost surely, 2^827775836 is an apocalyptic number.

It is an amenable number.

827775836 is a deficient number, since it is larger than the sum of its proper divisors (648164476).

827775836 is a wasteful number, since it uses less digits than its factorization.

827775836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904660 (or 3904658 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 53.

The square root of 827775836 is about 28771.0937574504. The cubic root of 827775836 is about 938.9394391455.

The spelling of 827775836 in words is "eight hundred twenty-seven million, seven hundred seventy-five thousand, eight hundred thirty-six".