12784586467 has 2 divisors, whose sum is σ = 12784586468. Its totient is φ = 12784586466.

The previous prime is 12784586377. The next prime is 12784586473. The reversal of 12784586467 is 76468548721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12784586467 is a prime.

It is a super-2 number, since 2×12784586467² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12784536467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6392293233 + 6392293234.

It is an arithmetic number, because the mean of its divisors is an integer number (6392293234).

Almost surely, 2^12784586467 is an apocalyptic number.

12784586467 is a deficient number, since it is larger than the sum of its proper divisors (1).

12784586467 is an equidigital number, since it uses as much as digits as its factorization.

12784586467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18063360, while the sum is 58.

The spelling of 12784586467 in words is "twelve billion, seven hundred eighty-four million, five hundred eighty-six thousand, four hundred sixty-seven".