705427863 has 16 divisors (see below), whose sum is σ = 1096876800. Its totient is φ = 403101048.

The previous prime is 705427843. The next prime is 705427883. The reversal of 705427863 is 368724507.

It is an interprime number because it is at equal distance from previous prime (705427843) and next prime (705427883).

It is not a de Polignac number, because 705427863 - 2⁵ = 705427831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705427843) 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 in 15 ways as a sum of consecutive naturals, for example, 341745 + ... + 343802.

It is an arithmetic number, because the mean of its divisors is an integer number (68554800).

Almost surely, 2^705427863 is an apocalyptic number.

705427863 is a deficient number, since it is larger than the sum of its proper divisors (391448937).

705427863 is an equidigital number, since it uses as much as digits as its factorization.

705427863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685571 (or 685557 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 705427863 is about 26559.8919990274. The cubic root of 705427863 is about 890.1930578960.

The spelling of 705427863 in words is "seven hundred five million, four hundred twenty-seven thousand, eight hundred sixty-three".