8128443470 has 32 divisors (see below), whose sum is σ = 16765083648. Its totient is φ = 2779609248.

The previous prime is 8128443469. The next prime is 8128443541. The reversal of 8128443470 is 743448218.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124784 + ... + 178403.

It is an arithmetic number, because the mean of its divisors is an integer number (523908864).

Almost surely, 2^8128443470 is an apocalyptic number.

8128443470 is an abundant number, since it is smaller than the sum of its proper divisors (8636640178).

8128443470 is a wasteful number, since it uses less digits than its factorization.

8128443470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303584.

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 8128443470 is about 90157.8807980756. The cubic root of 8128443470 is about 2010.6468442804.

The spelling of 8128443470 in words is "eight billion, one hundred twenty-eight million, four hundred forty-three thousand, four hundred seventy".