676421143 has 8 divisors (see below), whose sum is σ = 740908080. Its totient is φ = 614678400.

The previous prime is 676421129. The next prime is 676421153. The reversal of 676421143 is 341124676.

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 676421143 - 2⁹ = 676420631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 676421099 and 676421108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676421113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685533 + ... + 686518.

It is an arithmetic number, because the mean of its divisors is an integer number (92613510).

Almost surely, 2^676421143 is an apocalyptic number.

676421143 is a deficient number, since it is larger than the sum of its proper divisors (64486937).

676421143 is a wasteful number, since it uses less digits than its factorization.

676421143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372097.

The product of its digits is 24192, while the sum is 34.

The square root of 676421143 is about 26008.0976428496. The cubic root of 676421143 is about 877.8205117539.

The spelling of 676421143 in words is "six hundred seventy-six million, four hundred twenty-one thousand, one hundred forty-three".