2560467720977 has 4 divisors (see below), whose sum is σ = 2560474202676. Its totient is φ = 2560461239280.

The previous prime is 2560467720973. The next prime is 2560467721003. The reversal of 2560467720977 is 7790277640652.

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 1857090288001 + 703377432976 = 1362751^2 + 838676^2 .

It is a cyclic number.

It is not a de Polignac number, because 2560467720977 - 2² = 2560467720973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2560467720973) 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 3 ways as a sum of consecutive naturals, for example, 2606978 + ... + 3452139.

It is an arithmetic number, because the mean of its divisors is an integer number (640118550669).

Almost surely, 2^{2560467720977} is an apocalyptic number.

It is an amenable number.

2560467720977 is a deficient number, since it is larger than the sum of its proper divisors (6481699).

2560467720977 is an equidigital number, since it uses as much as digits as its factorization.

2560467720977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6481698.

The product of its (nonzero) digits is 62233920, while the sum is 62.

The spelling of 2560467720977 in words is "two trillion, five hundred sixty billion, four hundred sixty-seven million, seven hundred twenty thousand, nine hundred seventy-seven".