78462676286647 has 2 divisors, whose sum is σ = 78462676286648. Its totient is φ = 78462676286646.

The previous prime is 78462676286633. The next prime is 78462676286677. The reversal of 78462676286647 is 74668267626487.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78462676286647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78462676286677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39231338143323 + 39231338143324.

It is an arithmetic number, because the mean of its divisors is an integer number (39231338143324).

Almost surely, 2^{78462676286647} is an apocalyptic number.

78462676286647 is a deficient number, since it is larger than the sum of its proper divisors (1).

78462676286647 is an equidigital number, since it uses as much as digits as its factorization.

78462676286647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10924720128, while the sum is 79.

The spelling of 78462676286647 in words is "seventy-eight trillion, four hundred sixty-two billion, six hundred seventy-six million, two hundred eighty-six thousand, six hundred forty-seven".