7677440704445 has 16 divisors (see below), whose sum is σ = 9760494913200. Its totient is φ = 5777325487104.

The previous prime is 7677440704441. The next prime is 7677440704447. The reversal of 7677440704445 is 5444070447767.

It can be written as a sum of positive squares in 8 ways, for example, as 9204675481 + 7668236028964 = 95941^2 + 2769158^2 .

It is not a de Polignac number, because 7677440704445 - 2² = 7677440704441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7677440704441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25912370 + ... + 26206979.

It is an arithmetic number, because the mean of its divisors is an integer number (610030932075).

Almost surely, 2^{7677440704445} is an apocalyptic number.

It is an amenable number.

7677440704445 is a deficient number, since it is larger than the sum of its proper divisors (2083054208755).

7677440704445 is a wasteful number, since it uses less digits than its factorization.

7677440704445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52121104.

The product of its (nonzero) digits is 73758720, while the sum is 59.

The spelling of 7677440704445 in words is "seven trillion, six hundred seventy-seven billion, four hundred forty million, seven hundred four thousand, four hundred forty-five".