676800385 has 4 divisors (see below), whose sum is σ = 812160468. Its totient is φ = 541440304.

The previous prime is 676800373. The next prime is 676800403. The reversal of 676800385 is 583008676.

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

It can be written as a sum of positive squares in 2 ways, for example, as 147064129 + 529736256 = 12127^2 + 23016^2 .

It is a cyclic number.

It is not a de Polignac number, because 676800385 - 2²¹ = 674703233 is a prime.

It is a super-2 number, since 2×676800385² = 916117522272296450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67680034 + ... + 67680043.

It is an arithmetic number, because the mean of its divisors is an integer number (203040117).

Almost surely, 2^676800385 is an apocalyptic number.

It is an amenable number.

676800385 is a deficient number, since it is larger than the sum of its proper divisors (135360083).

676800385 is a wasteful number, since it uses less digits than its factorization.

676800385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135360082.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 676800385 is about 26015.3874658826. The cubic root of 676800385 is about 877.9845339333.

The spelling of 676800385 in words is "six hundred seventy-six million, eight hundred thousand, three hundred eighty-five".