518484785 has 48 divisors (see below), whose sum is σ = 813662976. Its totient is φ = 308800512.

The previous prime is 518484767. The next prime is 518484797. The reversal of 518484785 is 587484815.

It is not a de Polignac number, because 518484785 - 2¹² = 518480689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129524 + ... + 133466.

It is an arithmetic number, because the mean of its divisors is an integer number (16951312).

Almost surely, 2^518484785 is an apocalyptic number.

It is an amenable number.

518484785 is a deficient number, since it is larger than the sum of its proper divisors (295178191).

518484785 is a wasteful number, since it uses less digits than its factorization.

518484785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002 (or 3985 counting only the distinct ones).

The product of its digits is 1433600, while the sum is 50.

The square root of 518484785 is about 22770.2609778632. The cubic root of 518484785 is about 803.3633323661.

The spelling of 518484785 in words is "five hundred eighteen million, four hundred eighty-four thousand, seven hundred eighty-five".