128786032966 has 8 divisors (see below), whose sum is σ = 204542523000. Its totient is φ = 60605191968.

The previous prime is 128786032961. The next prime is 128786032987. The reversal of 128786032966 is 669230687821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 128786032966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128786032961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1893912216 + ... + 1893912283.

It is an arithmetic number, because the mean of its divisors is an integer number (25567815375).

Almost surely, 2^128786032966 is an apocalyptic number.

128786032966 is a deficient number, since it is larger than the sum of its proper divisors (75756490034).

128786032966 is a wasteful number, since it uses less digits than its factorization.

128786032966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787824518.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 128786032966 in words is "one hundred twenty-eight billion, seven hundred eighty-six million, thirty-two thousand, nine hundred sixty-six".