78085367 has 2 divisors, whose sum is σ = 78085368. Its totient is φ = 78085366.

The previous prime is 78085327. The next prime is 78085409. The reversal of 78085367 is 76358087.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78085367 - 2¹² = 78081271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78085327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39042683 + 39042684.

It is an arithmetic number, because the mean of its divisors is an integer number (39042684).

Almost surely, 2^78085367 is an apocalyptic number.

78085367 is a deficient number, since it is larger than the sum of its proper divisors (1).

78085367 is an equidigital number, since it uses as much as digits as its factorization.

78085367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 78085367 is about 8836.5924993744. The cubic root of 78085367 is about 427.4216848664.

The spelling of 78085367 in words is "seventy-eight million, eighty-five thousand, three hundred sixty-seven".