128353579 has 4 divisors (see below), whose sum is σ = 128408976. Its totient is φ = 128298184.

The previous prime is 128353567. The next prime is 128353613. The reversal of 128353579 is 975353821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 128353579 - 2⁹ = 128353067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128353529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24064 + ... + 28909.

It is an arithmetic number, because the mean of its divisors is an integer number (32102244).

Almost surely, 2^128353579 is an apocalyptic number.

128353579 is a deficient number, since it is larger than the sum of its proper divisors (55397).

128353579 is an equidigital number, since it uses as much as digits as its factorization.

128353579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55396.

The product of its digits is 226800, while the sum is 43.

The square root of 128353579 is about 11329.3238544937. The cubic root of 128353579 is about 504.4320366905.

The spelling of 128353579 in words is "one hundred twenty-eight million, three hundred fifty-three thousand, five hundred seventy-nine".