820536675 has 48 divisors (see below), whose sum is σ = 1600468992. Its totient is φ = 362995200.

The previous prime is 820536611. The next prime is 820536683. The reversal of 820536675 is 576635028.

It is not a de Polignac number, because 820536675 - 2⁶ = 820536611 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8934 + ... + 41483.

It is an arithmetic number, because the mean of its divisors is an integer number (33343104).

Almost surely, 2^820536675 is an apocalyptic number.

820536675 is a deficient number, since it is larger than the sum of its proper divisors (779932317).

820536675 is a wasteful number, since it uses less digits than its factorization.

820536675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50468 (or 50463 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 820536675 is about 28645.0113457824. The cubic root of 820536675 is about 936.1943139292.

The spelling of 820536675 in words is "eight hundred twenty million, five hundred thirty-six thousand, six hundred seventy-five".