822787385 has 16 divisors (see below), whose sum is σ = 1155917952. Its totient is φ = 550435200.

The previous prime is 822787363. The next prime is 822787411. The reversal of 822787385 is 583787228.

822787385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 822787385 - 2⁶ = 822787321 is a prime.

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, 285251 + ... + 288120.

It is an arithmetic number, because the mean of its divisors is an integer number (72244872).

Almost surely, 2^822787385 is an apocalyptic number.

It is an amenable number.

822787385 is a deficient number, since it is larger than the sum of its proper divisors (333130567).

822787385 is a wasteful number, since it uses less digits than its factorization.

822787385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573424.

The product of its digits is 1505280, while the sum is 50.

The square root of 822787385 is about 28684.2706897003. The cubic root of 822787385 is about 937.0495177344.

The spelling of 822787385 in words is "eight hundred twenty-two million, seven hundred eighty-seven thousand, three hundred eighty-five".