78854627 has 2 divisors, whose sum is σ = 78854628. Its totient is φ = 78854626.

The previous prime is 78854609. The next prime is 78854651. The reversal of 78854627 is 72645887.

It is a weak prime.

It is an emirp because it is prime and its reverse (72645887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78854627 - 2⁸ = 78854371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (78854927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39427313 + 39427314.

It is an arithmetic number, because the mean of its divisors is an integer number (39427314).

Almost surely, 2^78854627 is an apocalyptic number.

78854627 is a deficient number, since it is larger than the sum of its proper divisors (1).

78854627 is an equidigital number, since it uses as much as digits as its factorization.

78854627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 47.

The square root of 78854627 is about 8880.0127815223. The cubic root of 78854627 is about 428.8206860142.

The spelling of 78854627 in words is "seventy-eight million, eight hundred fifty-four thousand, six hundred twenty-seven".