77740616353 has 16 divisors (see below), whose sum is σ = 82560812800. Its totient is φ = 72996111360.

The previous prime is 77740616339. The next prime is 77740616357. The reversal of 77740616353 is 35361604777.

It is a cyclic number.

It is not a de Polignac number, because 77740616353 - 2²⁹ = 77203745441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77740616297 and 77740616306.

It is not an unprimeable number, because it can be changed into a prime (77740616357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954643 + ... + 1032871.

It is an arithmetic number, because the mean of its divisors is an integer number (5160050800).

Almost surely, 2^77740616353 is an apocalyptic number.

It is an amenable number.

77740616353 is a deficient number, since it is larger than the sum of its proper divisors (4820196447).

77740616353 is a wasteful number, since it uses less digits than its factorization.

77740616353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78712.

The product of its (nonzero) digits is 2222640, while the sum is 49.

The spelling of 77740616353 in words is "seventy-seven billion, seven hundred forty million, six hundred sixteen thousand, three hundred fifty-three".