67772756269 has 2 divisors, whose sum is σ = 67772756270. Its totient is φ = 67772756268.

The previous prime is 67772756201. The next prime is 67772756279. The reversal of 67772756269 is 96265727776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35602029225 + 32170727044 = 188685^2 + 179362^2 .

It is a cyclic number.

It is not a de Polignac number, because 67772756269 - 2¹⁷ = 67772625197 is a prime.

It is a super-2 number, since 2×67772756269² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67772756269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67772756279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33886378134 + 33886378135.

It is an arithmetic number, because the mean of its divisors is an integer number (33886378135).

Almost surely, 2^67772756269 is an apocalyptic number.

It is an amenable number.

67772756269 is a deficient number, since it is larger than the sum of its proper divisors (1).

67772756269 is an equidigital number, since it uses as much as digits as its factorization.

67772756269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93350880, while the sum is 64.

The spelling of 67772756269 in words is "sixty-seven billion, seven hundred seventy-two million, seven hundred fifty-six thousand, two hundred sixty-nine".