428107841870 has 8 divisors (see below), whose sum is σ = 770594115384. Its totient is φ = 171243136744.

The previous prime is 428107841851. The next prime is 428107841897. The reversal of 428107841870 is 78148701824.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21405392084 + ... + 21405392103.

It is an arithmetic number, because the mean of its divisors is an integer number (96324264423).

Almost surely, 2^428107841870 is an apocalyptic number.

428107841870 is a deficient number, since it is larger than the sum of its proper divisors (342486273514).

428107841870 is a wasteful number, since it uses less digits than its factorization.

428107841870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42810784194.

The product of its (nonzero) digits is 802816, while the sum is 50.

The spelling of 428107841870 in words is "four hundred twenty-eight billion, one hundred seven million, eight hundred forty-one thousand, eight hundred seventy".