789066385 has 16 divisors (see below), whose sum is σ = 974722896. Its totient is φ = 612937728.

The previous prime is 789066379. The next prime is 789066391. The reversal of 789066385 is 583660987.

It is an interprime number because it is at equal distance from previous prime (789066379) and next prime (789066391).

It can be written as a sum of positive squares in 8 ways, for example, as 39237696 + 749828689 = 6264^2 + 27383^2 .

It is a cyclic number.

It is not a de Polignac number, because 789066385 - 2⁹ = 789065873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10357 + ... + 41053.

It is an arithmetic number, because the mean of its divisors is an integer number (60920181).

Almost surely, 2^789066385 is an apocalyptic number.

It is an amenable number.

789066385 is a deficient number, since it is larger than the sum of its proper divisors (185656511).

789066385 is a wasteful number, since it uses less digits than its factorization.

789066385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30852.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 789066385 is about 28090.3254698126. The cubic root of 789066385 is about 924.0692405307.

The spelling of 789066385 in words is "seven hundred eighty-nine million, sixty-six thousand, three hundred eighty-five".