8428971320 has 96 divisors (see below), whose sum is σ = 23824130400. Its totient is φ = 2627201280.

The previous prime is 8428971301. The next prime is 8428971337. The reversal of 8428971320 is 231798248.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90515 + ... + 158274.

It is an arithmetic number, because the mean of its divisors is an integer number (248168025).

Almost surely, 2^8428971320 is an apocalyptic number.

It is an amenable number.

8428971320 is an abundant number, since it is smaller than the sum of its proper divisors (15395159080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8428971320 is a wasteful number, since it uses less digits than its factorization.

8428971320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248829 (or 248814 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 8428971320 is about 91809.4293632195. The cubic root of 8428971320 is about 2035.1270434443.

The spelling of 8428971320 in words is "eight billion, four hundred twenty-eight million, nine hundred seventy-one thousand, three hundred twenty".