868428868906 has 16 divisors (see below), whose sum is σ = 1371222221760. Its totient is φ = 411355419840.

The previous prime is 868428868897. The next prime is 868428868997. The reversal of 868428868906 is 609868824868.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4343715 + ... + 4539241.

It is an arithmetic number, because the mean of its divisors is an integer number (85701388860).

Almost surely, 2^868428868906 is an apocalyptic number.

868428868906 is a deficient number, since it is larger than the sum of its proper divisors (502793352854).

868428868906 is a wasteful number, since it uses less digits than its factorization.

868428868906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312429.

The product of its (nonzero) digits is 509607936, while the sum is 73.

The spelling of 868428868906 in words is "eight hundred sixty-eight billion, four hundred twenty-eight million, eight hundred sixty-eight thousand, nine hundred six".