67773270893 has 2 divisors, whose sum is σ = 67773270894. Its totient is φ = 67773270892.

The previous prime is 67773270857. The next prime is 67773270907. The reversal of 67773270893 is 39807237776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67773270889 + 4 = 260333^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 67773270893 - 2¹⁴ = 67773254509 is a prime.

It is a super-2 number, since 2×67773270893² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67773270293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33886635446 + 33886635447.

It is an arithmetic number, because the mean of its divisors is an integer number (33886635447).

Almost surely, 2^67773270893 is an apocalyptic number.

It is an amenable number.

67773270893 is a deficient number, since it is larger than the sum of its proper divisors (1).

67773270893 is an equidigital number, since it uses as much as digits as its factorization.

67773270893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18670176, while the sum is 59.

The spelling of 67773270893 in words is "sixty-seven billion, seven hundred seventy-three million, two hundred seventy thousand, eight hundred ninety-three".