676837906 has 4 divisors (see below), whose sum is σ = 1015256862. Its totient is φ = 338418952.

The previous prime is 676837897. The next prime is 676837919. The reversal of 676837906 is 609738676.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 665175681 + 11662225 = 25791^2 + 3415^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169209475 + ... + 169209478.

Almost surely, 2^676837906 is an apocalyptic number.

676837906 is a deficient number, since it is larger than the sum of its proper divisors (338418956).

676837906 is a wasteful number, since it uses less digits than its factorization.

676837906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338418955.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The square root of 676837906 is about 26016.1085867968. The cubic root of 676837906 is about 878.0007584360. Note that the first 3 decimals are identical.

The spelling of 676837906 in words is "six hundred seventy-six million, eight hundred thirty-seven thousand, nine hundred six".