5546881876777 has 4 divisors (see below), whose sum is σ = 5546889394900. Its totient is φ = 5546874358656.

The previous prime is 5546881876769. The next prime is 5546881876787. The reversal of 5546881876777 is 7776781886455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1535049138841 + 4011832737936 = 1238971^2 + 2002956^2 .

It is a cyclic number.

It is not a de Polignac number, because 5546881876777 - 2³ = 5546881876769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5546881876697 and 5546881876706.

It is not an unprimeable number, because it can be changed into a prime (5546881876787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2515152 + ... + 4173697.

It is an arithmetic number, because the mean of its divisors is an integer number (1386722348725).

Almost surely, 2^{5546881876777} is an apocalyptic number.

It is an amenable number.

5546881876777 is a deficient number, since it is larger than the sum of its proper divisors (7518123).

5546881876777 is an equidigital number, since it uses as much as digits as its factorization.

5546881876777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518122.

The product of its digits is 4425523200, while the sum is 79.

The spelling of 5546881876777 in words is "five trillion, five hundred forty-six billion, eight hundred eighty-one million, eight hundred seventy-six thousand, seven hundred seventy-seven".