859438224808 has 8 divisors (see below), whose sum is σ = 1611446671530. Its totient is φ = 429719112400.

The previous prime is 859438224767. The next prime is 859438224829. The reversal of 859438224808 is 808422834958.

It can be written as a sum of positive squares in only one way, i.e., 437611356484 + 421826868324 = 661522^2 + 649482^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×859438224808² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53714889043 + ... + 53714889058.

Almost surely, 2^859438224808 is an apocalyptic number.

It is an amenable number.

859438224808 is a deficient number, since it is larger than the sum of its proper divisors (752008446722).

859438224808 is a wasteful number, since it uses less digits than its factorization.

859438224808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107429778107 (or 107429778103 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 61.

The spelling of 859438224808 in words is "eight hundred fifty-nine billion, four hundred thirty-eight million, two hundred twenty-four thousand, eight hundred eight".