869044786238 has 32 divisors (see below), whose sum is σ = 1341140613120. Its totient is φ = 422109465120.

The previous prime is 869044786189. The next prime is 869044786243. The reversal of 869044786238 is 832687440968.

869044786238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×869044786238² (a number of 25 digits) contains 22 as substring.

It is a congruent 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, 56900543 + ... + 56915813.

It is an arithmetic number, because the mean of its divisors is an integer number (41910644160).

Almost surely, 2^869044786238 is an apocalyptic number.

869044786238 is a deficient number, since it is larger than the sum of its proper divisors (472095826882).

869044786238 is a wasteful number, since it uses less digits than its factorization.

869044786238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18872.

The product of its (nonzero) digits is 111476736, while the sum is 65.

The spelling of 869044786238 in words is "eight hundred sixty-nine billion, forty-four million, seven hundred eighty-six thousand, two hundred thirty-eight".