8278674792547 has 2 divisors, whose sum is σ = 8278674792548. Its totient is φ = 8278674792546.

The previous prime is 8278674792481. The next prime is 8278674792643. The reversal of 8278674792547 is 7452974768728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8278674792547 - 2⁷ = 8278674792419 is a prime.

It is a super-2 number, since 2×8278674792547² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8275674792547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4139337396273 + 4139337396274.

It is an arithmetic number, because the mean of its divisors is an integer number (4139337396274).

Almost surely, 2^{8278674792547} is an apocalyptic number.

8278674792547 is a deficient number, since it is larger than the sum of its proper divisors (1).

8278674792547 is an equidigital number, since it uses as much as digits as its factorization.

8278674792547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2655313920, while the sum is 76.

The spelling of 8278674792547 in words is "eight trillion, two hundred seventy-eight billion, six hundred seventy-four million, seven hundred ninety-two thousand, five hundred forty-seven".