683821875 has 96 divisors (see below), whose sum is σ = 1312416000. Its totient is φ = 313200000.

The previous prime is 683821871. The next prime is 683821883. The reversal of 683821875 is 578128386.

It is not a de Polignac number, because 683821875 - 2² = 683821871 is a prime.

It is a super-2 number, since 2×683821875² = 935224713457031250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (683821871) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 1959201 + ... + 1959549.

It is an arithmetic number, because the mean of its divisors is an integer number (13671000).

Almost surely, 2^683821875 is an apocalyptic number.

683821875 is a deficient number, since it is larger than the sum of its proper divisors (628594125).

683821875 is a wasteful number, since it uses less digits than its factorization.

683821875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 387 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 683821875 is about 26149.9880497105. The cubic root of 683821875 is about 881.0103216207.

The spelling of 683821875 in words is "six hundred eighty-three million, eight hundred twenty-one thousand, eight hundred seventy-five".