5475721680677 has 8 divisors (see below), whose sum is σ = 5579623670040. Its totient is φ = 5371841413120.

The previous prime is 5475721680641. The next prime is 5475721680707. The reversal of 5475721680677 is 7760861275745.

It is a Cunningham number, because it is equal to 2340026²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2413505174116 + 3062216506561 = 1553546^2 + 1749919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5475721680677 - 2¹⁰ = 5475721679653 is a prime.

It is a super-2 number, since 2×5475721680677² (a number of 26 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 (5475721680577) 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 7 ways as a sum of consecutive naturals, for example, 4921052 + ... + 5930277.

It is an arithmetic number, because the mean of its divisors is an integer number (697452958755).

Almost surely, 2^{5475721680677} is an apocalyptic number.

It is an amenable number.

5475721680677 is a deficient number, since it is larger than the sum of its proper divisors (103901989363).

5475721680677 is a wasteful number, since it uses less digits than its factorization.

5475721680677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10860903.

The product of its (nonzero) digits is 138297600, while the sum is 65.

The spelling of 5475721680677 in words is "five trillion, four hundred seventy-five billion, seven hundred twenty-one million, six hundred eighty thousand, six hundred seventy-seven".