518848851 has 4 divisors (see below), whose sum is σ = 691798472. Its totient is φ = 345899232.

The previous prime is 518848849. The next prime is 518848867. The reversal of 518848851 is 158848815.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 518848851 - 2¹ = 518848849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 518848851.

It is not an unprimeable number, because it can be changed into a prime (518848051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86474806 + ... + 86474811.

It is an arithmetic number, because the mean of its divisors is an integer number (172949618).

Almost surely, 2^518848851 is an apocalyptic number.

518848851 is a deficient number, since it is larger than the sum of its proper divisors (172949621).

518848851 is a wasteful number, since it uses less digits than its factorization.

518848851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172949620.

The product of its digits is 409600, while the sum is 48.

The square root of 518848851 is about 22778.2539058638. The cubic root of 518848851 is about 803.5513217109.

The spelling of 518848851 in words is "five hundred eighteen million, eight hundred forty-eight thousand, eight hundred fifty-one".