518548750077 has 4 divisors (see below), whose sum is σ = 691398333440. Its totient is φ = 345699166716.

The previous prime is 518548750009. The next prime is 518548750079. The reversal of 518548750077 is 770057845815.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 518548750077 - 2⁸ = 518548749821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 518548749999 and 518548750026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518548750079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86424791677 + ... + 86424791682.

It is an arithmetic number, because the mean of its divisors is an integer number (172849583360).

Almost surely, 2^518548750077 is an apocalyptic number.

It is an amenable number.

518548750077 is a deficient number, since it is larger than the sum of its proper divisors (172849583363).

518548750077 is a wasteful number, since it uses less digits than its factorization.

518548750077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172849583362.

The product of its (nonzero) digits is 10976000, while the sum is 57.

The spelling of 518548750077 in words is "five hundred eighteen billion, five hundred forty-eight million, seven hundred fifty thousand, seventy-seven".