67765335101 has 2 divisors, whose sum is σ = 67765335102. Its totient is φ = 67765335100.

The previous prime is 67765335067. The next prime is 67765335109. The reversal of 67765335101 is 10153356776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59182239076 + 8583096025 = 243274^2 + 92645^2 .

It is a cyclic number.

It is not a de Polignac number, because 67765335101 - 2¹⁴ = 67765318717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67765335109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33882667550 + 33882667551.

It is an arithmetic number, because the mean of its divisors is an integer number (33882667551).

Almost surely, 2^67765335101 is an apocalyptic number.

It is an amenable number.

67765335101 is a deficient number, since it is larger than the sum of its proper divisors (1).

67765335101 is an equidigital number, since it uses as much as digits as its factorization.

67765335101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 396900, while the sum is 44.

The spelling of 67765335101 in words is "sixty-seven billion, seven hundred sixty-five million, three hundred thirty-five thousand, one hundred one".