518277066077 has 16 divisors (see below), whose sum is σ = 526524935040. Its totient is φ = 510056500800.

The previous prime is 518277066053. The next prime is 518277066149. The reversal of 518277066077 is 770660772815.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 518277066077 - 2¹⁶ = 518277000541 is a prime.

It is a super-2 number, since 2×518277066077² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518277066577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125215874 + ... + 125220012.

It is an arithmetic number, because the mean of its divisors is an integer number (32907808440).

Almost surely, 2^518277066077 is an apocalyptic number.

It is an amenable number.

518277066077 is a deficient number, since it is larger than the sum of its proper divisors (8247868963).

518277066077 is a wasteful number, since it uses less digits than its factorization.

518277066077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6964.

The product of its (nonzero) digits is 6914880, while the sum is 56.

The spelling of 518277066077 in words is "five hundred eighteen billion, two hundred seventy-seven million, sixty-six thousand, seventy-seven".