78629027 has 2 divisors, whose sum is σ = 78629028. Its totient is φ = 78629026.

The previous prime is 78628999. The next prime is 78629039. The reversal of 78629027 is 72092687.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78629027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (78629227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39314513 + 39314514.

It is an arithmetic number, because the mean of its divisors is an integer number (39314514).

Almost surely, 2^78629027 is an apocalyptic number.

78629027 is a deficient number, since it is larger than the sum of its proper divisors (1).

78629027 is an equidigital number, since it uses as much as digits as its factorization.

78629027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 78629027 is about 8867.3009986128. The cubic root of 78629027 is about 428.4113490030.

The spelling of 78629027 in words is "seventy-eight million, six hundred twenty-nine thousand, twenty-seven".