868826894 has 32 divisors (see below), whose sum is σ = 1452245760. Its totient is φ = 387129600.

The previous prime is 868826887. The next prime is 868826983. The reversal of 868826894 is 498628868.

It is a congruent number.

It is an unprimeable number.

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, 418892 + ... + 420960.

It is an arithmetic number, because the mean of its divisors is an integer number (45382680).

Almost surely, 2^868826894 is an apocalyptic number.

868826894 is a deficient number, since it is larger than the sum of its proper divisors (583418866).

868826894 is a wasteful number, since it uses less digits than its factorization.

868826894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636.

The product of its digits is 10616832, while the sum is 59.

The square root of 868826894 is about 29475.8696903077. The cubic root of 868826894 is about 954.2109996864.

The spelling of 868826894 in words is "eight hundred sixty-eight million, eight hundred twenty-six thousand, eight hundred ninety-four".