128704403773347 has 8 divisors (see below), whose sum is σ = 171619610109120. Its totient is φ = 85796066643240.

The previous prime is 128704403773339. The next prime is 128704403773357. The reversal of 128704403773347 is 743377304407821.

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

It is not a de Polignac number, because 128704403773347 - 2³ = 128704403773339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128704403773357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1717257697 + ... + 1717332642.

It is an arithmetic number, because the mean of its divisors is an integer number (21452451263640).

Almost surely, 2^{128704403773347} is an apocalyptic number.

128704403773347 is a deficient number, since it is larger than the sum of its proper divisors (42915206335773).

128704403773347 is a wasteful number, since it uses less digits than its factorization.

128704403773347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434602833.

The product of its (nonzero) digits is 66382848, while the sum is 60.

The spelling of 128704403773347 in words is "one hundred twenty-eight trillion, seven hundred four billion, four hundred three million, seven hundred seventy-three thousand, three hundred forty-seven".