67226880517 has 2 divisors, whose sum is σ = 67226880518. Its totient is φ = 67226880516.

The previous prime is 67226880491. The next prime is 67226880547. The reversal of 67226880517 is 71508862276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43317680641 + 23909199876 = 208129^2 + 154626^2 .

It is a cyclic number.

It is not a de Polignac number, because 67226880517 - 2¹⁵ = 67226847749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67226880547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33613440258 + 33613440259.

It is an arithmetic number, because the mean of its divisors is an integer number (33613440259).

Almost surely, 2^67226880517 is an apocalyptic number.

It is an amenable number.

67226880517 is a deficient number, since it is larger than the sum of its proper divisors (1).

67226880517 is an equidigital number, since it uses as much as digits as its factorization.

67226880517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 67226880517 in words is "sixty-seven billion, two hundred twenty-six million, eight hundred eighty thousand, five hundred seventeen".