78084814627 has 2 divisors, whose sum is σ = 78084814628. Its totient is φ = 78084814626.

The previous prime is 78084814609. The next prime is 78084814649. The reversal of 78084814627 is 72641848087.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78084814627 - 2²³ = 78076426019 is a prime.

It is not a weakly prime, because it can be changed into another prime (78084814697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39042407313 + 39042407314.

It is an arithmetic number, because the mean of its divisors is an integer number (39042407314).

Almost surely, 2^78084814627 is an apocalyptic number.

78084814627 is a deficient number, since it is larger than the sum of its proper divisors (1).

78084814627 is an equidigital number, since it uses as much as digits as its factorization.

78084814627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4816896, while the sum is 55.

The spelling of 78084814627 in words is "seventy-eight billion, eighty-four million, eight hundred fourteen thousand, six hundred twenty-seven".