1678085264 has 20 divisors (see below), whose sum is σ = 3261123120. Its totient is φ = 836505120.

The previous prime is 1678085243. The next prime is 1678085291. The reversal of 1678085264 is 4625808761.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153134 + ... + 163725.

It is an arithmetic number, because the mean of its divisors is an integer number (163056156).

Almost surely, 2^1678085264 is an apocalyptic number.

It is an amenable number.

1678085264 is a deficient number, since it is larger than the sum of its proper divisors (1583037856).

1678085264 is a wasteful number, since it uses less digits than its factorization.

1678085264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317198 (or 317192 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 1678085264 is about 40964.4390172745. The cubic root of 1678085264 is about 1188.3325902418.

The spelling of 1678085264 in words is "one billion, six hundred seventy-eight million, eighty-five thousand, two hundred sixty-four".