655737696767 has 2 divisors, whose sum is σ = 655737696768. Its totient is φ = 655737696766.

The previous prime is 655737696751. The next prime is 655737696787. The reversal of 655737696767 is 767696737556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 655737696767 - 2⁴ = 655737696751 is a prime.

It is a super-2 number, since 2×655737696767² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 655737696694 and 655737696703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655737696787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327868848383 + 327868848384.

It is an arithmetic number, because the mean of its divisors is an integer number (327868848384).

Almost surely, 2^655737696767 is an apocalyptic number.

655737696767 is a deficient number, since it is larger than the sum of its proper divisors (1).

655737696767 is an equidigital number, since it uses as much as digits as its factorization.

655737696767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100394800, while the sum is 74.

The spelling of 655737696767 in words is "six hundred fifty-five billion, seven hundred thirty-seven million, six hundred ninety-six thousand, seven hundred sixty-seven".