67584098947 has 2 divisors, whose sum is σ = 67584098948. Its totient is φ = 67584098946.

The previous prime is 67584098887. The next prime is 67584098971. The reversal of 67584098947 is 74989048576.

67584098947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67584098947 is a prime.

It is a super-2 number, since 2×67584098947² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67584098047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33792049473 + 33792049474.

It is an arithmetic number, because the mean of its divisors is an integer number (33792049474).

Almost surely, 2^67584098947 is an apocalyptic number.

67584098947 is a deficient number, since it is larger than the sum of its proper divisors (1).

67584098947 is an equidigital number, since it uses as much as digits as its factorization.

67584098947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121927680, while the sum is 67.

The spelling of 67584098947 in words is "sixty-seven billion, five hundred eighty-four million, ninety-eight thousand, nine hundred forty-seven".