1346801080777 has 4 divisors (see below), whose sum is σ = 1347018418116. Its totient is φ = 1346583743440.

The previous prime is 1346801080763. The next prime is 1346801080799. The reversal of 1346801080777 is 7770801086431.

It is a happy number.

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 1017054097081 + 329746983696 = 1008491^2 + 574236^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1346801080777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1346861080777) 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, 108659374 + ... + 108671767.

It is an arithmetic number, because the mean of its divisors is an integer number (336754604529).

Almost surely, 2^{1346801080777} is an apocalyptic number.

It is an amenable number.

1346801080777 is a deficient number, since it is larger than the sum of its proper divisors (217337339).

1346801080777 is an equidigital number, since it uses as much as digits as its factorization.

1346801080777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217337338.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 1346801080777 in words is "one trillion, three hundred forty-six billion, eight hundred one million, eighty thousand, seven hundred seventy-seven".