784540676 has 12 divisors (see below), whose sum is σ = 1404875472. Its totient is φ = 383147688.

The previous prime is 784540663. The next prime is 784540693. The reversal of 784540676 is 676045487.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 784540676.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2280470 + ... + 2280813.

It is an arithmetic number, because the mean of its divisors is an integer number (117072956).

Almost surely, 2^784540676 is an apocalyptic number.

It is an amenable number.

784540676 is a deficient number, since it is larger than the sum of its proper divisors (620334796).

784540676 is a wasteful number, since it uses less digits than its factorization.

784540676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561330 (or 4561328 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The square root of 784540676 is about 28009.6532645444. The cubic root of 784540676 is about 922.2991784321.

The spelling of 784540676 in words is "seven hundred eighty-four million, five hundred forty thousand, six hundred seventy-six".