128636850880684 has 12 divisors (see below), whose sum is σ = 225116601179400. Its totient is φ = 64317821972288.

The previous prime is 128636850880633. The next prime is 128636850880709. The reversal of 128636850880684 is 486088058636821.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150387229 + ... + 151240180.

It is an arithmetic number, because the mean of its divisors is an integer number (18759716764950).

Almost surely, 2^{128636850880684} is an apocalyptic number.

It is an amenable number.

128636850880684 is a deficient number, since it is larger than the sum of its proper divisors (96479750298716).

128636850880684 is a wasteful number, since it uses less digits than its factorization.

128636850880684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301734032 (or 301734030 counting only the distinct ones).

The product of its (nonzero) digits is 849346560, while the sum is 73.

The spelling of 128636850880684 in words is "one hundred twenty-eight trillion, six hundred thirty-six billion, eight hundred fifty million, eight hundred eighty thousand, six hundred eighty-four".