77374744047441 has 12 divisors (see below), whose sum is σ = 111765092267140. Its totient is φ = 51582436657920.

The previous prime is 77374744047373. The next prime is 77374744047457. The reversal of 77374744047441 is 14474044747377.

77374744047441 is a `hidden beast` number, since 7 + 73 + 7 + 47 + 4 + 40 + 47 + 441 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26472012849216 + 50902731198225 = 5145096^2 + 7134615^2 .

It is not a de Polignac number, because 77374744047441 - 2⁷ = 77374744047313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77374744047841) 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 11 ways as a sum of consecutive naturals, for example, 59828020 + ... + 61107621.

Almost surely, 2^{77374744047441} is an apocalyptic number.

It is an amenable number.

77374744047441 is a deficient number, since it is larger than the sum of its proper divisors (34390348219699).

77374744047441 is a wasteful number, since it uses less digits than its factorization.

77374744047441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121006736 (or 121006733 counting only the distinct ones).

The product of its (nonzero) digits is 206524416, while the sum is 63.

The spelling of 77374744047441 in words is "seventy-seven trillion, three hundred seventy-four billion, seven hundred forty-four million, forty-seven thousand, four hundred forty-one".