6497788822777 has 16 divisors (see below), whose sum is σ = 7567215737472. Its totient is φ = 5463684120960.

The previous prime is 6497788822751. The next prime is 6497788822781. The reversal of 6497788822777 is 7772288877946.

It is a cyclic number.

It is not a de Polignac number, because 6497788822777 - 2³¹ = 6495641339129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6497788822777.

It is not an unprimeable number, because it can be changed into a prime (6497788820777) 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, 1442502 + ... + 3882832.

It is an arithmetic number, because the mean of its divisors is an integer number (472950983592).

Almost surely, 2^{6497788822777} is an apocalyptic number.

It is an amenable number.

6497788822777 is a deficient number, since it is larger than the sum of its proper divisors (1069426914695).

6497788822777 is a wasteful number, since it uses less digits than its factorization.

6497788822777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447568.

The product of its digits is 7434878976, while the sum is 82.

The spelling of 6497788822777 in words is "six trillion, four hundred ninety-seven billion, seven hundred eighty-eight million, eight hundred twenty-two thousand, seven hundred seventy-seven".