676680187 has 8 divisors (see below), whose sum is σ = 681246720. Its totient is φ = 672129000.

The previous prime is 676680167. The next prime is 676680209. The reversal of 676680187 is 781086676.

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 676680187 - 2¹⁹ = 676155899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 676680187.

It is not an unprimeable number, because it can be changed into a prime (676680157) 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, 92614 + ... + 99652.

It is an arithmetic number, because the mean of its divisors is an integer number (85155840).

Almost surely, 2^676680187 is an apocalyptic number.

676680187 is a deficient number, since it is larger than the sum of its proper divisors (4566533).

676680187 is a wasteful number, since it uses less digits than its factorization.

676680187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 676680187 is about 26013.0772305008. The cubic root of 676680187 is about 877.9325549277.

The spelling of 676680187 in words is "six hundred seventy-six million, six hundred eighty thousand, one hundred eighty-seven".