5078666557 has 16 divisors (see below), whose sum is σ = 5314510080. Its totient is φ = 4847169600.

The previous prime is 5078666521. The next prime is 5078666591. The reversal of 5078666557 is 7556668705.

It is a cyclic number.

It is not a de Polignac number, because 5078666557 - 2¹¹ = 5078664509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5078666498 and 5078666507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5078666057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027063 + ... + 1031995.

It is an arithmetic number, because the mean of its divisors is an integer number (332156880).

Almost surely, 2^5078666557 is an apocalyptic number.

It is an amenable number.

5078666557 is a deficient number, since it is larger than the sum of its proper divisors (235843523).

5078666557 is a wasteful number, since it uses less digits than its factorization.

5078666557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364.

The product of its (nonzero) digits is 10584000, while the sum is 55.

The square root of 5078666557 is about 71264.7637826717. The cubic root of 5078666557 is about 1718.8971834693.

The spelling of 5078666557 in words is "five billion, seventy-eight million, six hundred sixty-six thousand, five hundred fifty-seven".