518082477 has 16 divisors (see below), whose sum is σ = 779561280. Its totient is φ = 303161600.

The previous prime is 518082469. The next prime is 518082479. The reversal of 518082477 is 774280815.

It is a cyclic number.

It is not a de Polignac number, because 518082477 - 2³ = 518082469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518082479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269724 + ... + 271637.

It is an arithmetic number, because the mean of its divisors is an integer number (48722580).

Almost surely, 2^518082477 is an apocalyptic number.

It is an amenable number.

518082477 is a deficient number, since it is larger than the sum of its proper divisors (261478803).

518082477 is a wasteful number, since it uses less digits than its factorization.

518082477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541404.

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 518082477 is about 22761.4251970302. The cubic root of 518082477 is about 803.1554939786.

It can be divided in two parts, 51808 and 2477, that added together give a triangular number (54285 = T₃₂₉).

The spelling of 518082477 in words is "five hundred eighteen million, eighty-two thousand, four hundred seventy-seven".