67880497 has 2 divisors, whose sum is σ = 67880498. Its totient is φ = 67880496.

The previous prime is 67880453. The next prime is 67880509. The reversal of 67880497 is 79408876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47004736 + 20875761 = 6856^2 + 4569^2 .

It is a cyclic number.

It is not a de Polignac number, because 67880497 - 2¹¹ = 67878449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67880497.

It is not a weakly prime, because it can be changed into another prime (67380497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33940248 + 33940249.

It is an arithmetic number, because the mean of its divisors is an integer number (33940249).

Almost surely, 2^67880497 is an apocalyptic number.

It is an amenable number.

67880497 is a deficient number, since it is larger than the sum of its proper divisors (1).

67880497 is an equidigital number, since it uses as much as digits as its factorization.

67880497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 67880497 is about 8238.9621312396. The cubic root of 67880497 is about 407.9262670328.

The spelling of 67880497 in words is "sixty-seven million, eight hundred eighty thousand, four hundred ninety-seven".