683578431 has 6 divisors (see below), whose sum is σ = 987391080. Its totient is φ = 455718948.

The previous prime is 683578417. The next prime is 683578457. The reversal of 683578431 is 134875386.

It is not a de Polignac number, because 683578431 - 2¹⁹ = 683054143 is a prime.

It is a super-2 number, since 2×683578431² = 934558942656843522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683578411) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 37976571 + ... + 37976588.

It is an arithmetic number, because the mean of its divisors is an integer number (164565180).

Almost surely, 2^683578431 is an apocalyptic number.

683578431 is a deficient number, since it is larger than the sum of its proper divisors (303812649).

683578431 is a wasteful number, since it uses less digits than its factorization.

683578431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75953165 (or 75953162 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 683578431 is about 26145.3328722355. The cubic root of 683578431 is about 880.9057611881.

The spelling of 683578431 in words is "six hundred eighty-three million, five hundred seventy-eight thousand, four hundred thirty-one".