776656361422073 has 16 divisors (see below), whose sum is σ = 870152758816320. Its totient is φ = 687212146008000.

The previous prime is 776656361422033. The next prime is 776656361422087. The reversal of 776656361422073 is 370224163656677.

It is a cyclic number.

It is not a de Polignac number, because 776656361422073 - 2⁶ = 776656361422009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (776656361422013) 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, 5924177090 + ... + 5924308187.

It is an arithmetic number, because the mean of its divisors is an integer number (54384547426020).

Almost surely, 2^{776656361422073} is an apocalyptic number.

It is an amenable number.

776656361422073 is a deficient number, since it is larger than the sum of its proper divisors (93496397394247).

776656361422073 is a wasteful number, since it uses less digits than its factorization.

776656361422073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11848485448.

The product of its (nonzero) digits is 320060160, while the sum is 65.

The spelling of 776656361422073 in words is "seven hundred seventy-six trillion, six hundred fifty-six billion, three hundred sixty-one million, four hundred twenty-two thousand, seventy-three".