57766555566775 has 12 divisors (see below), whose sum is σ = 78142395167064. Its totient is φ = 42012040412000.

The previous prime is 57766555566701. The next prime is 57766555566809.

It is a happy number.

57766555566775 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 57766555566775 - 2⁹ = 57766555566263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105030100756 + ... + 105030101305.

It is an arithmetic number, because the mean of its divisors is an integer number (6511866263922).

Almost surely, 2^{57766555566775} is an apocalyptic number.

57766555566775 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57766555566775 is a deficient number, since it is larger than the sum of its proper divisors (20375839600289).

57766555566775 is a wasteful number, since it uses less digits than its factorization.

57766555566775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210060202082 (or 210060202077 counting only the distinct ones).

The product of its digits is 48620250000, while the sum is 82.

The spelling of 57766555566775 in words is "fifty-seven trillion, seven hundred sixty-six billion, five hundred fifty-five million, five hundred sixty-six thousand, seven hundred seventy-five".