676808408 has 32 divisors (see below), whose sum is σ = 1279618560. Its totient is φ = 335590560.

The previous prime is 676808401. The next prime is 676808417. The reversal of 676808408 is 804808676.

It is a happy number.

It is a super-2 number, since 2×676808408² = 916139242278988928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676808401) 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, 569591 + ... + 570777.

It is an arithmetic number, because the mean of its divisors is an integer number (39988080).

Almost surely, 2^676808408 is an apocalyptic number.

It is an amenable number.

676808408 is a deficient number, since it is larger than the sum of its proper divisors (602810152).

676808408 is a wasteful number, since it uses less digits than its factorization.

676808408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727 (or 1723 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 676808408 is about 26015.5416626293. The cubic root of 676808408 is about 877.9880032192.

The spelling of 676808408 in words is "six hundred seventy-six million, eight hundred eight thousand, four hundred eight".