67488871 has 2 divisors, whose sum is σ = 67488872. Its totient is φ = 67488870.

The previous prime is 67488853. The next prime is 67488881. The reversal of 67488871 is 17888476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67488871 - 2⁹ = 67488359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67488881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33744435 + 33744436.

It is an arithmetic number, because the mean of its divisors is an integer number (33744436).

Almost surely, 2^67488871 is an apocalyptic number.

67488871 is a deficient number, since it is larger than the sum of its proper divisors (1).

67488871 is an equidigital number, since it uses as much as digits as its factorization.

67488871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 602112, while the sum is 49.

The square root of 67488871 is about 8215.1610452869. The cubic root of 67488871 is about 407.1402644048.

The spelling of 67488871 in words is "sixty-seven million, four hundred eighty-eight thousand, eight hundred seventy-one".