5639057678 has 8 divisors (see below), whose sum is σ = 8463835368. Its totient is φ = 2817779224.

The previous prime is 5639057663. The next prime is 5639057689. The reversal of 5639057678 is 8767509365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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, 870776 + ... + 877227.

It is an arithmetic number, because the mean of its divisors is an integer number (1057979421).

Almost surely, 2^5639057678 is an apocalyptic number.

5639057678 is a deficient number, since it is larger than the sum of its proper divisors (2824777690).

5639057678 is a wasteful number, since it uses less digits than its factorization.

5639057678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749618.

The product of its (nonzero) digits is 9525600, while the sum is 56.

The square root of 5639057678 is about 75093.6593728126. The cubic root of 5639057678 is about 1779.9269504592.

The spelling of 5639057678 in words is "five billion, six hundred thirty-nine million, fifty-seven thousand, six hundred seventy-eight".