67427452787 has 2 divisors, whose sum is σ = 67427452788. Its totient is φ = 67427452786.

The previous prime is 67427452777. The next prime is 67427452817. The reversal of 67427452787 is 78725472476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67427452787 - 2⁸ = 67427452531 is a prime.

It is a super-2 number, since 2×67427452787² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67427452727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33713726393 + 33713726394.

It is an arithmetic number, because the mean of its divisors is an integer number (33713726394).

Almost surely, 2^67427452787 is an apocalyptic number.

67427452787 is a deficient number, since it is larger than the sum of its proper divisors (1).

67427452787 is an equidigital number, since it uses as much as digits as its factorization.

67427452787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36879360, while the sum is 59.

The spelling of 67427452787 in words is "sixty-seven billion, four hundred twenty-seven million, four hundred fifty-two thousand, seven hundred eighty-seven".