8278674792643 has 2 divisors, whose sum is σ = 8278674792644. Its totient is φ = 8278674792642.

The previous prime is 8278674792547. The next prime is 8278674792677. The reversal of 8278674792643 is 3462974768728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8278674792643 - 2²⁵ = 8278641238211 is a prime.

It is not a weakly prime, because it can be changed into another prime (8278674792743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4139337396321 + 4139337396322.

It is an arithmetic number, because the mean of its divisors is an integer number (4139337396322).

Almost surely, 2^{8278674792643} is an apocalyptic number.

8278674792643 is a deficient number, since it is larger than the sum of its proper divisors (1).

8278674792643 is an equidigital number, since it uses as much as digits as its factorization.

8278674792643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1365590016, while the sum is 73.

The spelling of 8278674792643 in words is "eight trillion, two hundred seventy-eight billion, six hundred seventy-four million, seven hundred ninety-two thousand, six hundred forty-three".