428070142178 has 8 divisors (see below), whose sum is σ = 733834529472. Its totient is φ = 183458632356.

The previous prime is 428070142169. The next prime is 428070142193. The reversal of 428070142178 is 871241070824.

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

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 3 ways as a sum of consecutive naturals, for example, 15288219350 + ... + 15288219377.

It is an arithmetic number, because the mean of its divisors is an integer number (91729316184).

Almost surely, 2^428070142178 is an apocalyptic number.

428070142178 is a deficient number, since it is larger than the sum of its proper divisors (305764387294).

428070142178 is a wasteful number, since it uses less digits than its factorization.

428070142178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30576438736.

The product of its (nonzero) digits is 200704, while the sum is 44.

The spelling of 428070142178 in words is "four hundred twenty-eight billion, seventy million, one hundred forty-two thousand, one hundred seventy-eight".