518386870 has 16 divisors (see below), whose sum is σ = 945879840. Its totient is φ = 204513984.

The previous prime is 518386783. The next prime is 518386873. The reversal of 518386870 is 78683815.

It is a self number, because there is not a number n which added to its sum of digits gives 518386870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518386873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354330 + ... + 355789.

It is an arithmetic number, because the mean of its divisors is an integer number (59117490).

Almost surely, 2^518386870 is an apocalyptic number.

518386870 is a deficient number, since it is larger than the sum of its proper divisors (427492970).

518386870 is a wasteful number, since it uses less digits than its factorization.

518386870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710199.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 518386870 is about 22768.1108131527. The cubic root of 518386870 is about 803.3127579004.

The spelling of 518386870 in words is "five hundred eighteen million, three hundred eighty-six thousand, eight hundred seventy".