67104977971 has 2 divisors, whose sum is σ = 67104977972. Its totient is φ = 67104977970.

The previous prime is 67104977899. The next prime is 67104978001. The reversal of 67104977971 is 17977940176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67104977971 - 2¹⁹ = 67104453683 is a prime.

It is not a weakly prime, because it can be changed into another prime (67104977171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33552488985 + 33552488986.

It is an arithmetic number, because the mean of its divisors is an integer number (33552488986).

Almost surely, 2^67104977971 is an apocalyptic number.

67104977971 is a deficient number, since it is larger than the sum of its proper divisors (1).

67104977971 is an equidigital number, since it uses as much as digits as its factorization.

67104977971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4667544, while the sum is 58.

The spelling of 67104977971 in words is "sixty-seven billion, one hundred four million, nine hundred seventy-seven thousand, nine hundred seventy-one".