67886773093 has 2 divisors, whose sum is σ = 67886773094. Its totient is φ = 67886773092.

The previous prime is 67886773079. The next prime is 67886773099. The reversal of 67886773093 is 39037768876.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67880049444 + 6723649 = 260538^2 + 2593^2 .

It is a cyclic number.

It is not a de Polignac number, because 67886773093 - 2²¹ = 67884675941 is a prime.

It is a super-2 number, since 2×67886773093² (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 (67886773099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33943386546 + 33943386547.

It is an arithmetic number, because the mean of its divisors is an integer number (33943386547).

Almost surely, 2^67886773093 is an apocalyptic number.

It is an amenable number.

67886773093 is a deficient number, since it is larger than the sum of its proper divisors (1).

67886773093 is an equidigital number, since it uses as much as digits as its factorization.

67886773093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64012032, while the sum is 64.

The spelling of 67886773093 in words is "sixty-seven billion, eight hundred eighty-six million, seven hundred seventy-three thousand, ninety-three".