678233516 has 12 divisors (see below), whose sum is σ = 1187233320. Its totient is φ = 339024000.

The previous prime is 678233503. The next prime is 678233533. The reversal of 678233516 is 615332876.

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, 5186 + ... + 37193.

It is an arithmetic number, because the mean of its divisors is an integer number (98936110).

Almost surely, 2^678233516 is an apocalyptic number.

It is an amenable number.

678233516 is a deficient number, since it is larger than the sum of its proper divisors (508999804).

678233516 is a wasteful number, since it uses less digits than its factorization.

678233516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46384 (or 46382 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 678233516 is about 26042.9168105264. The cubic root of 678233516 is about 878.6038104555.

The spelling of 678233516 in words is "six hundred seventy-eight million, two hundred thirty-three thousand, five hundred sixteen".