785394427 has 2 divisors, whose sum is σ = 785394428. Its totient is φ = 785394426.

The previous prime is 785394413. The next prime is 785394451. The reversal of 785394427 is 724493587.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-785394427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (785394497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392697213 + 392697214.

It is an arithmetic number, because the mean of its divisors is an integer number (392697214).

Almost surely, 2^785394427 is an apocalyptic number.

785394427 is a deficient number, since it is larger than the sum of its proper divisors (1).

785394427 is an equidigital number, since it uses as much as digits as its factorization.

785394427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

The square root of 785394427 is about 28024.8894199424. The cubic root of 785394427 is about 922.6336112268.

The spelling of 785394427 in words is "seven hundred eighty-five million, three hundred ninety-four thousand, four hundred twenty-seven".