869830599128 has 64 divisors (see below), whose sum is σ = 1679136860160. Its totient is φ = 422223722496.

The previous prime is 869830599109. The next prime is 869830599151. The reversal of 869830599128 is 821995038968.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 25163825 + ... + 25198367.

It is an arithmetic number, because the mean of its divisors is an integer number (26236513440).

Almost surely, 2^869830599128 is an apocalyptic number.

It is an amenable number.

869830599128 is a deficient number, since it is larger than the sum of its proper divisors (809306261032).

869830599128 is a wasteful number, since it uses less digits than its factorization.

869830599128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35136 (or 35132 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 68.

The spelling of 869830599128 in words is "eight hundred sixty-nine billion, eight hundred thirty million, five hundred ninety-nine thousand, one hundred twenty-eight".