842128355 has 8 divisors (see below), whose sum is σ = 1063741200. Its totient is φ = 638244576.

The previous prime is 842128333. The next prime is 842128403. The reversal of 842128355 is 553821248.

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

It is a cyclic number.

It is not a de Polignac number, because 842128355 - 2⁶ = 842128291 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4432160 + ... + 4432349.

It is an arithmetic number, because the mean of its divisors is an integer number (132967650).

Almost surely, 2^842128355 is an apocalyptic number.

842128355 is a deficient number, since it is larger than the sum of its proper divisors (221612845).

842128355 is a wasteful number, since it uses less digits than its factorization.

842128355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8864533.

The product of its digits is 76800, while the sum is 38.

The square root of 842128355 is about 29019.4478755196. The cubic root of 842128355 is about 944.3350229735.

The spelling of 842128355 in words is "eight hundred forty-two million, one hundred twenty-eight thousand, three hundred fifty-five".